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Worksheets

IB Bio Genetics Mega Quizizz

Total questions: 172

Worksheet time: 9hrs 36mins

Name
Class
Date
1.
Which of the following is a phenotype?
a)
BB
b)
Bb
c)
bb
d)
Blue eyes
2.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
3.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
4.
An allele whose trait only shows up when no dominant allele is present.
a)
hidden allele
b)
dominant allele
c)
recessive allele
d)
present allele
5.
Which of the following genotypes is a purebred?
a)
Bb
b)
Gg
c)
bb
d)
Dd
6.
Which of the following genotypes would be considered heterozygous?
a)
BB
b)
gg
c)
Ff
d)
TT
7.
Which of the following alleles is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
T
8.

The passing of genetic traits from parent to offspring is known as

a)

heredity

b)

trait

c)

gene

d)

allele

9.
An allele whose trait always shows up in the organism when the allele is present.
a)
recessive allele
b)
dominant allele
c)
hidden allele
d)
present allele
10.

An organism's genetic makeup

a)

phenotype

b)

genotype

c)

heterzygous

d)

allele

11.

An organism's appearance or other detectable characteristic

a)

genotype

b)

phenotype

c)

genetics

d)

heterozygous

12.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
13.
A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy share with the mother?
a)
25%
b)
50%
c)
75%
d)
100%
14.

What predicts genetic outcomes?

a)

genetic engineering

b)

punnet square

c)

probability

15.
Brown (B) is dominant over white (b). Which genotype is a purebred for brown fur?
a)
BB
b)
Bb
c)
bb
d)
All of the above
16.

A couple has three brown-eyed children. The parents are brown-eyed (Bb). The allele for brown eyes is dominant over the allele for blue eyes. They believe the fourth child they have will be blue-eyed. Which statement below explains what actually will happen?

a)

The couple will have a blue-eyed fourth child.

b)

The couple will have a brown-eyed fourth child.

c)

They have a 75% chance of having a blue-eyed child.

d)

They have a 25% chance of having a blue-eyed child.

17.

What is the genotypic ratio of the offspring?

a)

3 AA : 1 aa

b)

1 AA : 3 aa

c)

1 AA : 2 Aa : 1 aa

d)

2 AA : 2 aa

18.

What are the phenotype percentages of the offspring?

(A-Brown fur color; a-white fur color)

a)

50 % Brown fur and 50% White fur

b)

25 % Brown fur and 75% White fur

c)

75 % Brown fur and 25% White fur

d)

0% Brown fur and 100% White fur

19.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
20.
In cacti, long arms (A) are dominant to short arms (a).  Suppose 2 heterozygous cacti are crossed.  What percentage of their offspring are expected to have short arms?
a)
0%
b)
25%
c)
75%
d)
100%
21.
An offspring will receive how many alleles from each parent to determine a specific trait?
a)
one
b)
two
c)
three
d)
five
22.
Squidward has light blue skin, and his genotype for this trait is Bb. Would Squidward be considered a purebred or hybrid for light blue skin?
a)
Purebred
b)
Hybrid
23.
Magda is a tall, 11 year old drummer. She has a scar on her right cheek. She is good at swimming. Which of her traits did Magda most likely inherit?
a)
height
b)
the scar
c)
ability to swim
d)
ability to play drums
24.

Click on the possible offspring genotypes.

A
B
25.

Click on the parent genotypes.

A
B
26.

Match the Punnett square with the correct genotypic ratio.

a)
1.

2 heterozygous : 2 homozygous recessive

b)
2.

1 homozygous dominant : 2 heterozygous : 1 homozygous recessive

c)
3.

4 heterozygous

27.

Label the parent genotypes.

a)homozygous recessive
b)heterozygous
1
2
1)
2)
28.

Which of the following traits of a dog is inherited from its parents?

a)

the presence of fleas in its fur

b)

the color of its fur

c)

the ability to sit up and beg

d)

the habit of barking to go outside

29.
father of genetics
a)
Gregor Mendel
b)
James Watson
c)
Dr. Robbins
d)
Francis Crick
30.

When 3 ​ (a)   are possible and a heterozygote is ​ (b)   in appearance, the inheritance pattern is ​ (c)   . When ​ (d)   phenotypes are present, the trait likely includes multiple ​ (e)   (more than 2).

Choose from the below words
phenotypes
spotted
codominance
4 or more
alleles
blended
incomplete dominance
31.

A pink flower (RW) and a white flower (WW) breed and produce offspring. Complete a Punnett square to determine the probability that offspring are red.

a)

0%

b)

25%

c)

50%

d)

75%

32.
Question Image

Math the blood type description to its likely genotype

a)

Homozygous type A

1.

IAIA

b)

Heterozygous Type A

2.

IAi

c)

Type AB

3.

IAIB

d)

Type O

4.

ii

e)

Homozygous Type B

5.

IBIB

33.
incomplete dominance means that there traits are,,,
a)
expressed equally
b)
dominant
c)
recessive
d)
blended
34.

What is NOT a possible genotype for someone with type B blood?

a)

IBIB

b)

IAIB

c)

IBi

35.

What is the genotype of a person with type A blood, who had a father with type O blood?

a)

IAIB

b)

IAi

c)

IAIA

d)

ii

36.

What is the phenotype of a person with the genotype IBi?

a)

type A

b)

type O

c)

type B

d)

type AB

37.

What pattern of inheritance is shown in this image?

a)

Codominance

b)

Incomplete dominance

c)

Complete dominance

38.

What pattern of inheritance is shown in this image?

a)

Codominance

b)

Incomplete dominance

c)

Complete dominance

39.

A man with type AB blood is accused of being the father of a type O baby. The mother is type A. Could this man be the father?

a)

Yes

b)

No

40.

Which terms describe the inheritance of human blood types? (order them alphabetically)  (a)   ​ ​ ​ ​ ​ ​ (b)   ​ ​ (c)  

Choose from the below words
codominance
complete dominance
multiple alleles
incomplete dominance
41.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete Dominance

b)

Codominance

c)

Independent assortment

d)

Recessive inheritance

42.

A roan cow shows co-dominance in fur color (red and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

a)

4/4 Red and White

b)

2/4 Red, 2/4 White

c)

2/4 Red, 2/4 Roan, 0/4 White

d)

1/4 Red, 2/4 Roan, 1/4 White

43.

Snap dragon color is a incomplete dominant trait. A red flower (RR) is crossed with white flower (R'R')? What color are flowers that are RR'?

a)

Red

b)

Red and White

c)

White

d)

Pink

44.

A bubble guppy with a yellow tail has offspring with a bubble guppy with a red tail. The offspring have orange tails. What is this an example of?

a)

Codominance

b)

Incomplete Dominance

c)

Multiple Alleles

d)

Polygenic Triats

45.

There are many different alleles for fur color in cats. What is this an example of?

a)

Codominance

b)

Incomplete Dominance

c)

Multiple Alleles

d)

Polygenic Traits

46.

Flowers can be red or green. What heredity is displayed?

a)

Complete dominance

b)

Incomplete dominance

c)

Codominance

d)

Polygenic trait

47.
New inheritable traits would be least likely to result from
a)
mutations in eggs, only
b)
mutations in sperm, only
c)
mutations in body cells 
d)
crossing over during gamete formation 
48.
Differences in traits within a population, such as eye color or fur color, are known as...
a)
differentiations
b)
gene expressions 
c)
variations 
d)
distinctions
49.

Which statement best explains how organisms accomplish passing on traits to their offspring?

a)

Traits are acquired when parents care for their offspring.

b)

Offspring inherit traits when DNA is replicated during mitosis.

c)

Traits are inherited by the transfer of genetic material from parent to offspring.

d)

Offspring acquire traits when cells become specialized for certain functions.

50.

In cattle red coats are represented as RR, and white coats are represented as WW.


What is the genotype for Roan color?

a)

RR

b)

RW

c)

WW

51.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a female who is a carrier for hemophilia?
a)
XHXh
b)
XhXh
c)
XHXH
d)
XhY
52.
Hemophilia is a recessive x-linked disorder.
Which genotype represents a male with hemophilia?
a)
XHXh
b)
XhXh
c)
XHY
d)
XhY
53.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
54.

Which of the following is an example of a phenotype.

a)

Ab

b)

Heterozygous

c)

DNA

d)

Red Hair

55.
A breed of chicken shows codominance for feather color. One allele codes for black feathers, another codes for white feathers. The feathers of heterozygous chickens of this breed will be:
a)
all black
b)
all white
c)
all gray
d)
speckled black and white
56.
Different variations of a gene are called?
a)
Alleles
b)
DNA
c)
Chromosome
d)
Gene
57.
In Mendel’s study, the alleles were either completely dominant or _____.
a)
Domiant
b)
Recessive
58.
For a red and white codominance heterozygous flower, _____ colors are shown.
a)
Red
b)
White
c)
Both
d)
Pink
59.
Blood type is determined by _______ alleles
a)
One
b)
Two
c)
Multiple
60.
Codominance and incomplete dominance are ______-__________inheritance
a)
Mendelian
b)
Non-Mendelian
61.

What type of inheritance pattern does the diagram represent?

a)

Incomplete Dominance

b)

Codominance

c)

Multiple Alleles

d)

Polygenic Inheritance

62.

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

a)

XN YN

b)

Xn Yn

c)

XN Y

d)

Xn Y

63.

What would the genotype be of a colorblind male?

a)

XNY

b)

XNYn

c)

XnY

d)

XnYn

64.
What do we use pedigrees for?
a)
To look at families
b)
To make determinations about the offspring
c)
To track traits in families
d)
Nothing
65.

In a pedigree, which shape represents a male?

a)

circle

b)

square

66.

Which gender has an X and a Y chromosome?

a)

male

b)

female

67.

On a pedigree, this symbol represents a ----

a)

not affected male.

b)

not affected female.

c)

affected male.

d)

affected female.

68.

How many individuals are there in the 3rd generation?

a)

1

b)

2

c)

4

d)

6

69.

How are individuals III-2 and II-4 related?

a)

Brother and sister

b)

Dad and daughter

c)

Uncle and niece

d)

Grandfather and granddaughter

70.

What is the mode of inheritance shown here?

a)

Recessive because it "skips" a generation

b)

Dominant because it shows up in every generation

71.

On this pedigree, the allele for curly hair is dominant. The couple labeled 2 both have curly hair, but have a daughter who does not have curly hair. Therefore, we can tell from the chart that for the couple labeled 2 -

a)

the male is heterozygous and the female is heterozygous.

b)

the male is homozygous recessive and the female is homozygous dominant.

72.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
73.
Is this trait (the shaded individuals) dominant or recessive?
a)
dominant
b)
recessive
74.

If this pedigree shows a recessive disorder, what MUST the genotype of individual 4 be?

a)

HH

b)

Hh

c)

hh

75.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R X r ?

a)

male with white eyes

b)

female with red eyes

c)

male with red eyes

d)

female with white eyes

76.

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X R Y ?

a)

male with white eyes

b)

female with white eyes

c)

male with red eyes

d)

female with red eyes

77.

Colorblindness is more common in males than in females because......

a)

fathers pass the allele for colorblindness to their sons only

b)

the allele for colorblindness is located on the Y chromosome

c)

the allele for colorblindness is recessive and located on the X chromosome

d)

males who are colorblind have two copies of the allele for colorblindness

78.

Colorblindness is a recessive X-linked disorder.

Which genotype represents a male with normal vision?

a)

XN YN

b)

Xn Yn

c)

XN Y

d)

Xn Y

79.

The woman who is colorblind marries a man with normal vision. What is the probability that their sons will be colorblind?

a)

0%

b)

25%

c)

50%

d)

100%

80.

Which of the following genotypes shows a CARRIER for a trait?

a)

XBXb

b)

XbXb

c)

XBXB

d)

XbY

81.

What is 1 examples of an X-linked genetic disorder?

a)

Huntington's Disease

b)

Down's Syndrome

c)

Colorblindness

d)

Diabetes

82.

Huntington's Disease is an autosomal dominant disorder. What would the genotype(s) of an affected person be?

a)

Hh

b)

hh

c)

HH

d)

none of these

83.

A gene that is located on 1 of the first 44 chromosomes is called _____.

a)

autosomal

b)

x-linked

c)

dominant

d)

recessive

84.
The sex of a child is determined by
a)

whether the father's sperm contains an x or y chromosome

b)

whether the mother's egg contains an x or y chromosome

c)

the age of the parents

d)

whether the mother's egg contains an xx or xy

85.

How many recessive genes does a carrier female have for colorblindness?

a)

1

b)

2

c)

0

d)

3

86.

Colorblindness is a sex-linked recessive trait. A colorblind woman marries a male with normal color vision. What is the percent chance of them having a color blind son?

a)

0%

b)

25%

c)

50%

d)

75%

87.

The woman who is colorblind marries a man with normal vision. What is the probability that their sons will be colorblind?

a)

0%

b)

25%

c)

50%

d)

100%

88.
What is the genotype of the mother?
a)
BB
b)
bb
c)
Bb
d)
BB or Bb
89.
This pedigree represents the inheritance of hemophilia in this family. How many of the females have the hemophilia trait?
a)

8

b)

5

c)

2

d)

3

90.
What do half colored symbols represent?
a)
The individual is a carrier (heterozygous).
b)
The individual expresses the trait.
c)
The individual has both recessive alleles.
d)
The individual has both dominant alleles.
91.

Which best explains why males cannot be carriers of X-linked traits?

a)

Males only have one X chromosome

b)

Males have two copies of the X chromosome

c)

Males can be heterozygous for a particular trait

d)

Males do not have an X chromosome

92.

A woman who is a carrier for the sex-linked trait hemophilia has children with a man with hemophilia. What percentage of offspring would be expected to have hemophilia?

a)

0%

b)

25%

c)

50%

d)

75%

93.

WHAT DOES MEIOSIS CREATE?

a)

CHROMOSOMES

b)

GAMETES

c)

DNA

d)

TRAITS

94.

Match the following for mitosis and meiosis.

a)

PMAT happens once or twice

1.

Mitosis & Meiosis

b)

makes 4 genetically different cells

2.

Meiosis

c)

Sister Chromatids (already crossed over) pull apart

3.

Anaphase 2 of Meiosis

d)

Homologous Chromosomes pulled apart & Independent assortment

4.

Anaphase 1 of Meiosis

e)

makes 2 identical cells

5.

Mitosis

95.

2 diploid (2n) daughter cells form in what phase of Meiosis?

a)

Telophase 2

b)

Telophase/Cytokinesis 1

c)

Anaphase 2

d)

Cytokinesis 2

96.

Which of the following are CORRECT observations about MITOSIS and MEIOSIS? (Check all that apply.)

a)

Mitosis produces cells that identical to the parent cell.

b)

Meiosis produces cells that have half the number of chromosomes as the parent cell.

c)

All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.

d)

In both types of cell division, the chromosomes are only duplicated once.

e)

Only in Mitosis, do you see chromosomes pair up to form a tetrad.

97.

Name this phase of Meiosis:

a)

Prophase II

b)

Metaphase I

c)

Metaphase II

d)

Anaphase II

98.

In Anaphase II, the _________ separate.

a)

Homologues

b)

Sister Chromatids

c)

Tetrads

d)

Centrioles

99.

how many chromosomes do human gametes have?

a)

46

b)

23

c)

18

d)

36

100.

Crossing over usually occurs between:

a)

Sister Chromatids

b)

Homologous Chromosomes

c)

Alleles

d)

Non-Homologous Chromosomes

101.
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
a)
segregation of sister chromatids
b)
condensation and segregation of alleles
c)
mutationin which the DNA content of the gene is altered
d)
crossing - over in which alleles are exchanged
102.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
103.

Name this phase of Meiosis:

a)

Telophase I

b)

Prophase II

c)

Telophase II

d)

Anaphase II

104.

Name the phase:

a)

Telophase I

b)

Metaphase I

c)

Anaphase II

d)

Metaphase II

105.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

106.

Which part of MEIOSIS is more similar to MITOSIS?

a)

Meiosis I

b)

Meiosis II

107.

Name this phase of Meiosis

a)

Anaphase II

b)

Anaphase I

c)

Metaphase I

d)

Metaphase II

108.

In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)

a)

Anaphase I

b)

Metaphase I

c)

Prophase I

d)

Telophase I

109.

In which cell(s) will meiosis occur? (Check all that apply)

a)

muscle cell

b)

gamete

c)

sperm cell

d)

skin cell

110.

In humans, the haploid number of chromosomes is ____.

a)

23

b)

46

c)

69

d)

92

111.

Which of the following is the best definition for MEIOSIS?

a)

the process of two haploid cells uniting

b)

the counting of chromosomes within a diploid cell

c)

a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes

d)

the equational division of a cell into two identical copies

112.

True or False? Before cells undergo meiosis they pass through interphase first.

a)

true

b)

false

113.

What is unique to Prophase I- is that the duplicated chromosomes pair up to form _______.

a)

a centrosome

b)

a tetrad

c)

the mitotic spindle

d)

sister chromatids

114.

In Anaphase I, the _________ are separated by the pulling of the spindle fibers to opposite poles of the cell.

a)

homologous pairs of chromosomes

b)

sister chromatids

c)

centromeres

d)

centrosomes

115.

Check all of the following that DO occur during Telophase I and cytokinesis.

a)

The separated homologous chromosomes are at opposite poles of the cell.

b)

The cell divides in two.

c)

The chromosomes do not uncoil, since they are getting ready for Meiosis II.

d)

Sister chromatids are pulled away from each other.

116.

At the start of Meiosis II, which of the following is NOT true?

a)

There are two cells.

b)

The cells are haploid.

c)

The chromosomes are paired up as homologues.

d)

DNA is present as two sister chromatids joined at the centromere.

117.

In Prophase II, the_________ reforms and the spindle fibers attach to each chromosome.

a)

mitotic spindle

b)

centrosomes

c)

nucleus

d)

cell plate

118.

In Anaphase II, the _________ separate.

a)

Homologues

b)

Sister Chromatids

c)

Tetrads

d)

Centrioles

119.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

120.

How many cells are formed at the end of Meiosis II?

a)

2

b)

3

c)

4

d)

8

121.

True or False. In Meiosis II, there are TWO cells that go through each phase at the same time.

a)

true

b)

false

122.

Which of the following does NOT happen during Telophase II?

a)

the nuclei reform

b)

each cell begins to split evenly in two

c)

the chromosomes duplicate

d)

the nuclei contain a haploid number of chromosomes

123.

The products of MEIOSIS have _______ number of chromosomes.

a)

haploid

b)

diploid

124.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
125.

The end of mitosis results in  ____ to each other.

a)

2 cells that are identical

b)

4 cells that are identical

c)

2 cells that are not identical

d)

4 cells that are not identical

126.
The end of meiosis results in  ____ to each other.
a)
2 cells that are identical
b)
4 cells that are identical
c)
2 cells that are not identical
d)
4 cells that are not identical
127.

Reorder the phases of mitosis

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

1)
2)
3)
4)
128.

Reorder the phases of meiosis

a)

Prophase I

b)

Metaphase I

c)

Anaphase I

d)

Telophase I

e)

Prophase II

1)
2)
3)
4)
5)
129.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
130.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
 Metaphase I
131.
What phase is this?
a)
Interphase II
b)
Prophase I
c)
Metaphase I
d)
Anaphase II
132.
What are chromosomes?
a)
different versions of genes
b)
condensed DNA 
c)
uncoiled DNA
133.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
134.

In which type of cell division does crossing over occur?

a)

mitosis

b)

meiosis

135.

During meiosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

136.

During mitosis, if an organism has 10 chromosomes, how many will the new daughter cells have?

a)

10

b)

8

c)

5

d)

2

137.

Which event is an important factor in increasing variety among sexually reproducing organisms?

a)

crossing over

b)

gene linkage

c)

testcross

d)

mitosis

138.

In mitosis the ​ (a)   daughter cells that are created are ​ (b)   . In meiosis the ​ (c)   daughter cells that are created are ​ (d)  

Choose from the below words
two
diploid
four
haploid
139.

In which phase of meiosis does the chromosome number change from diploid to haploid?

a)

prophase I

b)

anaphase I

c)

prophase II

d)

anaphase II

140.

Select the image that represents meiosis:

a)
b)
141.

What is the primary cause of genetic variation during meiosis?

a)

chromosomes lining up

b)

"crossing over" of chromosomes

c)

separation of chromosomes

d)

chromosomes pulling apart

142.

A pair of identical chromosomes (one inherited from mom and one inherited from dad) are called ______________________________.

a)

sister chromotids

b)

centromeres

c)

homologous chromosomes

d)

autosomes

143.

The failure of one or more pairs of homologous chromosomes or sister chromatids to separate "normally" during meiosis is called _____________________.

a)

nondisjunction

b)

anaphase I

c)

nondiploidy

d)

karyotype

144.

Crossing over in organisms is responsible for...?

a)

Dominance of genes

b)

Recombination of genes

c)

Linkage

d)

Segregation of alleles

145.

If a plant has a diploid (2N) number of 6 chromosomes, how many chromatids are present during metaphase of mitosis?

a)

6

b)

12

c)

18

d)

24

146.

Chromosomes shorten and thicken during this stage of the cell cycle.

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

147.

A characteristic of anaphase is that

a)

chromatids separate and move apart

b)

chromosomes are arranged randomly

c)

microtubules are synthesized

d)

the nucleolus reforms

148.

The cell plate appears during

a)

Cytokinesis

b)

Anaphase

c)

Metaphase

d)

Prophase

e)

Telophase

149.

What is being depicted in the illustration above?

a)

Interkinesis

b)

Crossing over

c)

Diakinesis

d)

Leptotene

150.

Identify the highlighted stage of the cell cycle.

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Interphase

151.

Identify the highlighted stage of the cell cycle.

a)

Prophase

b)

Metaphase

c)

Interphase

d)

Anaphase

e)

Telophase

152.

Identify the highlighted stage of the cell cycle.

a)

Prophase

b)

Interphase

c)

Metaphase

d)

Anaphase

e)

Telophase

153.

Identify the phase of the highlighted cell.

a)

Interphase

b)

Metaphase

c)

Anaphase

d)

Telophase

e)

Prophase

154.

Identify the highlighted stage of the cell cycle.

a)

Prophase

b)

Telophase

c)

Anaphase

d)

Metaphase

e)

Interphase

155.

what is always passed to the next generation as a result of sexual reproduction?

a)

Homologous chromosomes from the mother

b)

a chromatid from every chromosome of the father

c)

a haploid set of chromosomes from the mother

d)

all alleles from each parent.

156.

The diagram shows pairs of homologous chromosomes. How many chiasmata can be seen in total?

a)

3

b)

10

c)

5

d)

2

157.

The drawing below shows an image of homologous chromosomes during meiosis and several diagrams drawn by a biologist to show chiasmata formed by crossing over.

Which of the diagrams A to D shows the most convincing interpretation of the position of the chromatids?

a)

A

b)

B

c)

C

d)

D

158.

Crossing over (chiasma) can alter the genes present on a chromosome. Between which structures does crossing over occur?

a)

Non-sister chromatids

b)

Non-sister chromosomes

c)

Sister chromatids

d)

Sister chromosomes

159.

Which of the following parts of cell division provides the mechanism for Mendel's law of independent assortment?

a)

Mitosis

b)

Alignment of the homologous chromosome pairs during metaphase I of meiosis

c)

Crossing over during prophase I of meiosis

d)

The segregation of homologous chromosomes during meiosis I

160.

At which stage of meiosis do sister chromatids separate?

a)

Metaphase II

b)

Anaphase II

c)

Anaphase I

d)

Metaphase I

161.

What happens as a result of crossing over in Meiosis?

a)

Chromosomes change the shape of their chromatids.

b)

DNA is exchanged between non-sister chromatids of homologous chromosomes.

c)

DNA is exchanged between the sister chromatids of homologous chromosomes.

d)

Chromosomes are exchanged between cells.

162.

How does crossing over increase genetic variety in chromosomes?

a)

Genes are exchanged between chromatids

b)

Genes mutate during crossing over.

c)

Genes are replicated during crossing over.

d)

Genes are added to chromosomes and taken away from others

163.

Which of the following is the most correct order of chromosome movements in meiosis?

a)

Double stranded chromosomes split, crossing over takes place, homologous chromosomes line up in pairs,

b)

Homologous chromosomes line up in pairs, double stranded chromosomes split, nuclear membrane reforms.

c)

Homologous chromosomes line up in pairs, homologous chromosomes separate, double stranded chromosomes split.

d)

Double stranded chromosomes split, homologous chromosomes separate, nuclear membrane reforms.

164.

What is a consequence of random orientation of homologous chromosomes in meiosis?

a)

Independent assortment of alleles.

b)

Division of chromosomes into two cells.

c)

Crossing over.

d)

Evolution

165.

What are the differences between meiosis I and meiosis II?

a)

Meiosis I occurs without crossing over, meiosis II includes crossing over.

b)

Meiosis I happens in prokaryotes Meiosis II in eukaryotes.

c)

Meiosis I separates homologous chromosomes, Meiosis II separates sister chromatids

d)

Meiosis I separates sister chromatids, and Meiosis II separates homologous chromosomes.

166.

When does crossing over occur?

a)

Prophase I of meiosis

b)

Prophase II of meiosis

c)

Telophase I of meiosis

d)

Prophase of mitosis

167.

The diagram shows the chromosomes derived from a single homologous pair following meiosis in a diploid cell.

Which diagram presents the homologous pair from which these chromosomes were derived?

a)

b)

c)

d)

168.
Which significance level  
(column) do you look at when finding the critical value?
a)
.50
b)
.10
c)
.05
d)
.01
169.
How do you find degrees of freedom?
a)
one less than the possible genotypes
b)
one less than the possible phenotypes
c)
total number divided 2
d)
total number times 2
170.
How do you find critical value?
a)
where degrees of freedom lines up with significance level
b)
where significance level lines up with chi-square
c)
the difference between total and chi-square 
d)
degrees of freedom minus significance level
171.
How do you find the expected number?
a)
ratio from punnett square multiplied to total 
b)
ratio from punnett square divided by total
c)
ratio from punnett square multiplied by observed number
d)
ratio from punnett square minus observed number
172.
Observed in the wild are 10 circles, 20 squares and 30 triangles. The ratio for this particular population is 2:3:5 
observed: 10 circles     expected: 12
observed 20 squares    expected : 18
observed 30 triangles   expected: 30
What is the degrees of freedom?
a)
1
b)
2
c)
3
d)
4

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