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7SCI: Heredity (Unit 2 Quiz)

Total questions: 126

Worksheet time: 4hrs 12mins

Name
Class
Date
1.
Chromosomes are found in the ____________ of the cell
a)
Chloroplast
b)
Nucleus
c)
Cytoplasm
d)
Mitochondria
2.
Heredity is the passing of traits from _____________________ to _____________________
a)
predators to prey
b)
water to rain
c)
parents to offspring
d)
fungi to protists
3.
If a child has red hair, they inherited a certain _______________ from their parents.
a)
ratio
b)
trait
c)
probability
d)
sex chromosome
4.
A characteristic that an organism can pass on to its offspring through its genes
a)
protein
b)
trait
c)
DNA
d)
gene
5.
Which is an inherited trait?
a)
speaking in front of a crowd
b)
having green eyes
c)
knowing math facts
d)
becoming and extrovert
6.
Why can some people roll their tongues and others cannot? 
a)
Rolling your tongue is an instinct
b)
Rolling your tongue is an inherited trait
c)
Rolling your tongue is an acquired trait
d)
Rolling your tongue is a learned behavior
7.

Where are chromosomes found?

a)

vacuole

b)

cell membrane

c)

nucleus

d)

mitochondria

8.

The different forms of a gene

a)

alleles

b)

atoms

c)

proteins

d)

wheels

9.

A chart that shows all the possible combinations of alleles that can result from a genetic cross

a)

dominant allele

b)

codominance

c)

probability

d)

Punnett Square

10.

An organism's physical appearance or visible traits. (what it looks like)

a)

phenotype

b)

genotype

11.

An organism's genetic makeup, or allele combination. The letters we use to show the allele combination.

a)

phenotype

b)

genotype

12.

An organism that has two identical (THE SAME) alleles for a trait (purebred)

a)

homozygous

b)

heterozygous

13.

An organism that has two different alleles for a trait (hybrid)

a)

homozygous

b)

heterozygous

14.
What do these two organisms have in common?
a)
They reproduce sexually
b)
They reproduce asexually
c)
They reproducing using eggs and sperm
d)
They reproduce with two parents
15.
Which statement describes asexual and sexual reproduction?
a)
Asexual is one part of sexual reproduction.
b)
Sexual reproduction happens before asexual reproduction.
c)
Asexual needs one parent, and sexual needs two parents.
d)
Sexual only happens in animals, and asexual happens only in plants.
16.
What is an advantage of sexual reproduction over asexual reproduction?
a)
Sexual reproduction produces identical offspring.
b)
Sexual reproduction happens before asexual reproduction.
c)
Sexual reproduction generates a large number of offspring.
d)
Sexual reproduction causes genetic variation in offspring.
17.
Which organism is the product of asexual reproduction?
a)
W
b)
X
c)
Y
d)
Z
18.
A mutation in which cell would get passed on to offspring?
a)
blood
b)
egg
c)
muscle
d)
nerve
19.
The pictures below show two dogs. The instructions determining the color of their fur are found in their cell...
a)
cytoplasm
b)
membrane
c)
mitochondria
d)
chromosomes
20.
A father's genotype is BB, and a mother's is Bb. Which statement describes their offspring?
a)
They will have the same genotype and phenotype.
b)
The phenotypes will be the same, but the genotypes will be different.
c)
The genotypes will be the same, but the phenotypes will be different.
d)
Both genotypes and phenotypes will be different
21.
White hair (W) is dominant in horses, and non-white (w) is recessive. A dominant WW horse is crossed with a recessive ww horse, as shown in the Punnett square. What percentage of offspring would have white hair?
a)
0%
b)
50%
c)
75%
d)
100%
22.
Round seeds (R) are dominant to wrinkled seeds (r) in pea plants. If two heterozygous parents are crossed as shown above, what percentage of offspring would have round seeds?
a)
0%
b)
50%
c)
75%
d)
100%
23.
A partial Punnett square is shown below. Which of the following statements describes the parental genotypes that would result in this Punnett square?
a)
Both parents are heterozygous.
b)
One parents is homozygous dominant, the other is heterozygous.
c)
One parents is homozygous recessive, the other is heterozygous.
d)
Both parents are homozygous dominant.
24.
Hanging earlobes (L) are dominant to attached earlobes (l). Based on the diagram, which box would have attached earlobes?
a)
1
b)
2
c)
3
d)
4
25.
In mussels, brown coloring (B) is dominant and blue coloring (b) is recessive. Which cross would have 100% of offspring with blue color?
a)
Bb x Bb
b)
BB x bb
c)
bb x bb
d)
BB x BB
26.
According to the theory of natural selection, how did giraffe necks get longer over time?
a)
Short-necked giraffes were killed by long-necked giraffes.
b)
Giraffes stretched to make their necks longer.
c)
Long-necked giraffes could reach more food and survived longer to reproduce.
d)
Long-necked giraffes only mated with long-necked giraffes.
27.
The pedigree shows the inheritance of sickle cell anemia. Which couple has the greatest chance of having a child that is affected?
a)
1
b)
2
c)
3
d)
4
28.
The pedigree shows colorblindness. How many individuals in the pedigree are affected by colorblindness?
a)
3
b)
4
c)
7
d)
12
29.
Peppered moths come in light and dark colors. Light moths are more common, since they blend in with the light bark of the trees they live on. If pollution darkens the color of the bark, what does natural selection predict will happen to the moths?
a)
Their color will remain light gray
b)
Their color will turn dark gray
c)
Their wings will get shorter
d)
Their wings will get longer
30.
Which of these is a trait that is acquired through learning?
a)
Ability to flinch
b)
Ability to be right-handed
c)
Ability to throw a free throw
d)
Ability to grasp objects
31.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
32.

Juan's dog, Luna, was hit by a car. Fortunately, she lived and is healthy! But she is now missing a leg. Having only three legs is a(n)

a)

inherited trait.

b)

learned behavior.

c)

instinct.

d)

acquired trait.

33.

Segments of DNA (Deoxyribonucleic acid) found in chromosomes that give instructions for producing a certain characteristic.

a)

heredity

b)

gene

c)

allele

d)

genotype

e)

phenotype

34.

The scientific study of heredity.

a)

Genetics

b)

Heredity

c)

Probability

d)

Pedigree

35.

A trait that is always hidden when the dominant allele is present.

a)

Phenotype

b)

Recessive allele

c)

Genotype

d)

Heredity

36.

Every living thing has genetic information stored in the form of

a)

Ribosomes

b)

DNA

c)

Chloroplast

d)

Mitochondria

37.

Chromosomes are

a)

Found in the mitochondria

b)

Made of 20 pairs

c)

Long strands of DNA that contain many genes

d)

Bundles of DNA that contain only one gene each

38.
Why did Mendel choose to study pea plants in order to learn how traits are passed from parent to offspring?
a)
Pea plants grow quickly
b)
Pea plants are ultraviolet
c)
Pea plants are rare and expensive
d)
Pea plants are take years to grow
39.
True or False:  Recessive traits are ALWAYS present 
a)
True
b)
False
40.
A ___________________ is a relationship between two numbers
a)
genetic
b)
trait
c)
ratio
d)
cycle
41.
Which of the following pairs is homozygous dominant?
a)
Hh
b)
pp
c)
HH
d)
aa
42.
Bunny A’s fur is all brown, while his brother and sisters are half brown and half white. The bunnies’ father is all brown, and the mother bunny is half brown and half white. Which best describes why Bunny A has brown fur?
a)
The bunny inherited a brown fur characteristic from each parent. 
b)
The bunny inherited a white fur characteristic from each parent. 
c)
The bunny rejected the white characteristics from its mother.
d)
The bunny rejected the brown characteristics from its father.
43.

1. The process of choosing parent organisms for desired characteristics is called

a)

natural selection

b)

Artificial selection

c)

random selection

d)

genetic manipulation

44.

What is an example of artificial selection?

a)

Letting dogs choose their own mate

b)

Letting plants pollinate on their own

c)

Crossing a labrador and a poodle to create a labradoodle

45.

1. Artificial selection has been a big factor in the evolution of:

a)

Dogs

b)

Panda bears

c)

Snakes

d)

Jellyfish

46.

Which statement is true comparing natural selection and artificial selection?

a)

In natural selection, traits benefit humans and in artificial selection, the traits benefit the species

b)

In natural selection, traits benefit the species and in artificial selection, the traits benefit humans

c)

In natural and artificial selection, the process takes hundreds of years to occur

d)

In natural and artificial selection, nature determines what traits will be passed down to offspring.

47.

The following is a similarity between artificial selection and natural selection

a)

Takes hundreds of years

b)

Humans determine traits

c)

Nature determines traits

d)

Offspring are produced

48.

Artificial selection is also known as

a)

natural selection

b)

selective hearing

c)

genetic manipulation

d)

selective breeding

49.

When nature selects and species with beneficial adaptation survive and produce offspring

a)

natural selection

b)

artificial selection

50.

What is this an example of?

a)

natural selection

b)

artificial selection

51.

What is this an example of?

a)

natural selection

b)

artificial selection

52.

Artificial Selection decreases diversity which is bad because

a)

organisms with same traits will refuse to reproduce with each other

b)

organisms with all the same traits are susceptible to extinction.

c)

organisms with the same traits will be very aggressive

d)

organisms with same traits collectively get smarter and will some day rule the world

53.
Traits that help an organism survive are called....
a)
evolution
b)
natural selection
c)
adaptations
d)
habitats
54.

Define evolution in genetic terms.

a)

any change in the frequency of alleles in populations of organisms from generation to generation.

b)

any change in the frequency of alleles in an individual organism over it's lifespan.

c)

any change in the frequency of alleles in communities of organisms from generation to generation.

d)

any change in the frequency of alleles in an ecoystem of organisms from generation to generation.

55.
Biotech foods look and taste the same as traditional foods and crops. The only difference is that biotech food has
a)
fewer calories.
b)
the addition of specific minerals.
c)
genes with traits that improve something about the plant.
d)
a better chance of surviving a frost during the growing season.
56.
Putting the gene for bioluminescence into a fish is an example of...
a)
Genetic Engineering
b)
Selective Breeding
c)
Artificial Selection
d)
Gene Mutation
57.
Advantages of genetically modified crops include(s)
a)
insect resistance
b)
drought/freeze resistance
c)
higher yield
d)
all of these are reasons for using GMOs
58.
The process of making changes in the DNA code of a living organism is called
a)
selective breeding 
b)
genetic engineering
c)
inbreeding
d)
hybridization
59.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
60.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
61.
Which of the following terms refers to the different possibilities of a gene?
a)
chromosome
b)
DNA
c)
Punnett Squares
d)
allele
62.

Which of these are part of the Cell Cycle?

a)

Mitosis

b)

Interphase

c)

Prophase

d)

Metaphase

e)

Cytokines

63.

Which of these are part of Mitosis?

a)

Metaphase

b)

Prophase

c)

Anaphase

d)

Telophase

e)

Cytokines

64.
In mitosis, the end product is...
a)
2 haploid cells
b)
2 diploid cells
c)
4 haploid cells
d)
4 diploid cells
65.
The daughter cells in mitosis are...
a)
Identical
b)
Unique
66.
In meiosis, the end product is...
a)
2 haploid cells
b)
2 diploid cells
c)
4 haploid cells
d)
4 diploid cells
67.
The cells produced in meiosis are...
a)
Identical
b)
Unique
68.
Sperm and Egg cells are produced using which process?
a)
Mitosis
b)
Meiosis
c)
Binary Fission
d)
None of these
69.
What phase of mitosis is occuring in the picture?
a)
Prophase
b)
Metaphase
c)
Cytokinesis
d)
Telophase
70.
What is the first phase of Mitosis?
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
71.
In which phase does the cell spend most of it's life?
a)
Interphase
b)
Nuclear Division
c)
Telophase
d)
Mitosis
72.
Why do we need meiosis?
a)
To double the number of chromosomes going into sex cells
b)
To halve the number of chromosomes going into sex cells
c)
To triple the number of chromosomes going into sex cells
d)
To not change the number of chromosomes going into sex cells
73.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
74.
A human zygote should have _____ chromosomes inside.
a)
46
b)
23
c)
92
d)
64
75.
This picture shows which process? 
a)
mitosis
b)
meiosis
c)
the cell cycle
76.
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.
77.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase. 
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
78.

In the following structure, the circled item is a

a)

chromosome

b)

chromatid

c)

centromere

d)

chromatin

79.
Structure (b) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
80.
What phase of mitosis is pictured?
a)
Metaphase
b)
Telophase
c)
Prophase
d)
Anaphase
81.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
82.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
83.
When a cell is not actively dividing, it is in what phase?
a)
interphase
b)
anaphase
c)
prophase
d)
telophase
84.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
85.
If the message never gets through for a cell to stop dividing and it just keeps dividing over and over again, what can form?
a)
tumor
b)
freckle
c)
goosebump
d)
scab
86.
In meiosis, the haploid number of chromosomes in a human sex cell is:
a)
46
b)
92
c)
22
d)
23
87.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
88.
a)
Anaphase
b)
Cytonkinesis
c)
Interphase
d)
Prophase
89.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
90.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
91.
Place these cells in order of mitosis.
a)
A, B, C, D, E
b)
B, E, D, A, C
c)
C, E, A, D, B
d)
B, D, A, E, C
92.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
93.
What is the cell cycle in order?
a)
Interphase, Prophase, Metaphase, and Cytokinesis
b)
Prophase, Metaphase, Anaphase, and Telophase
c)
Interphase, Prophase, Metaphase,  Anaphase, Telophase, and Cytokinesis
d)
Cytokinesis, Anaphase, Prophase, Interphase, and Metaphase
94.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
95.
a)
Prophase
b)
Interphase
c)
Anaphase
d)
Telophase
96.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
97.
In mitosis, the end product is...
a)
2 haploid cells
b)
2 diploid cells
c)
4 haploid cells
d)
4 diploid cells
98.
If an organism has a diploid (2n) number of 6, what is its haploid (n) number?
a)
2
b)
3
c)
6
d)
12
99.
This phase of mitosis lines the chromosomes in the middle of the cell.
a)
Anaphase
b)
Prophase
c)
Metaphase
d)
Telophase
100.
Structure (a) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
101.
Most of the cells in the human body are produced by
a)
mitosis
b)
meiosis
102.
products of meiosis are genetically
a)
different
b)
identical
103.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
104.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
c)
Mendelian Inheritance
d)
Homozygous Inheritance
105.
How are Incomplete Dominance and Co Dominance different than a normal Mendelian cross?
a)
There is no difference
b)
The heterozygous genotype has a unique phenotype
c)
There is no heterozygous genotype
d)
There is only one phenotype regardless of genotype.
106.
A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?
a)
Incomplete Dominance
b)
Co dominance
c)
Independent assortment
d)
Recessive inheritance
107.
A roan cow shows co-dominance in fur color (orange and white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?
a)
4: Orange and White
b)
1: Orange : 1 White
c)
2 Orange: 2 Orange and White: 0 White
d)
1: Orange: 2 Orange and White: 1 White
108.
A red flowered plant (RR) breeds with a White flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance.  What percentage of the offspring will have pink (RW) flowers?
a)
0%
b)
25%
c)
50%
d)
100%
109.

The third step of binary fission is:

a)

The cell membrane and cell wall start to bud into the center.

b)

The bacteria moves the DNA to either side of the cell.

c)

The two cells are covered with a new membrane and cell wall, and separate.

d)

The cell duplicates its DNA so each new cell gets the same amount as the original.

110.

Which type(s) of reproduction involves only ONE parent?

a)

asexual

b)

sexual

c)

both

111.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
112.

What do you call the cell that forms from fertilization?

a)

fertilized egg

b)

sperm cell

c)

zygote

d)

egg cell

113.

What do you call the female sex cell?

a)

egg cell

b)

sperm cell

c)

diploid

d)

haploid

114.

What do you call the cells that have pairs of chromosomes?

a)

Diploid

b)

Haploid

c)

Sperm cell

d)

egg cell

115.

Which of the following is an advantage to sexual reproduction?

a)

Rapid reproduction of a large amount of offspring

b)

More genetic mutations occur

c)

genetic variation

d)

offspring are identical to parents

116.

Which of the following is NOT a type of ASEXUAL reproduction?

a)

Budding

b)

Regeneration

c)

Cloning

d)

A flower being pollinated

117.

Which type of reproduction takes the shortest amount of time?

a)

Asexual

b)

Sexual

c)

Monopolistic

d)

Bilingual

118.

Identify the type of asexual reproduction shown in the image.

a)

vegetative propogation

b)

cloning

c)

binary fision

d)

budding

119.

Identify the type of asexual reproduction shown in the image.

a)

vegetative propogation

b)

cloning

c)

binary fision

d)

budding

120.

Amoeba use mitosis and produce two offspring that are identical to the parent. This is an example of...

a)

budding.

b)

binary fission.

c)

regeneration.

d)

parthenogenesis.

121.
What is one disadvantage of sexual reproduction?
a)
Only one parent needed
b)
Off spring are exact copies of parents
c)
Happens very quickly
d)
Needs two parents
122.
Which of the organisms produce the young one asexually ?
a)
Dog
b)
mushroom
c)
Human
123.

Identify the type of asexual reproduction shown in the image.

a)

vegetative propogation

b)

cloning

c)

binary fision

d)

regeneration

124.

Strawberry plants produce offspring by sending out specialized stems. This is an example of...

a)

runners.

b)

tubers.

c)

fragmentation.

d)

budding.

125.
Cannot adapt
a)
Sexual
b)
Asexual
c)
Both
d)
Neither
126.
What percentage of chromosomes are handed down by a parent cell in asexual reproduction?
a)
75%
b)
25%
c)
50%
d)
100%

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