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Bio Unit 4 Review

Total questions: 82

Worksheet time: 4hrs 30mins

Name
Class
Date
1.

This stage of the cell cycle is when DNA replicates.

a)

G1

b)

S

c)

G2

d)

Prophase

2.

Which phase of mitosis is shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

3.

Which phase of mitosis is shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

4.

Which phase of mitosis is shown?

a)

Prophase

b)

Metaphase

c)

Anaphase

d)

Telophase

5.

Green peas (G) are dominant to yellow peas (g). Cross a heterozygous green pea with a yellow pea. What is the genotype probability?

a)

0% GG

100% Gg

0% gg

b)

50% GG

0% Gg

50% gg

c)

0% GG

50% Gg

50% gg

d)

25% GG

50% Gg

25% gg

6.

Green peas (G) are dominant to yellow peas (g). Cross a heterozygous green pea with a yellow pea. What is the phenotype probability?

a)

100% green

0% yellow

b)

50% green

50% yellow

c)

75% green

25% yellow

d)

25% green

75% yellow

7.

Which of the following shows a homozygous dominant genotype?

a)

HH

b)

Hh

c)

hh

8.

Which of the following shows a homozygous recessive genotype?

a)

HH

b)

Hh

c)

hh

9.

Which of the following shows a heterozygous genotype?

a)

HH

b)

Hh

c)

hh

10.

What do the filled in squares mean on a pedigree?

a)

Male with the trait

b)

Male without the trait

c)

Female with the trait

d)

Female without the trait

11.

What do the blank circles mean on a pedigree?

a)

Male with the trait

b)

Male without the trait

c)

Female with the trait

d)

Female without the trait

12.

Green peas are dominant to yellow peas. The pedigrees below are tracking the green pea trait. Which of the following shows two heterozygous parents with two homozygous recessive sons and a homozygous dominant daughter?

a)

b)

c)

d)

13.
The cell cycle is ______________.
a)
the process of cells circling throughout the body
b)
the process of splitting the organelles
c)
a process where one cell gets energy
d)
the sequence of stages of growth and division that a cell undergoes
14.
After interphase is completed the cell moves into the next stage of the cell cycle called _________.
a)
anaphase
b)
cytokinesis
c)
metaphase
d)
mitosis
15.
Mitosis is made up of how many phases?
a)
4
b)
5
c)
6
d)
7
16.
The following describes __________ during mitosis. The chromatin condenses and spindle fibers form at each side of the cell. The nuclear membrane breaks apart.
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
17.

The following describes ________  during mitosis. The chromosomes line up along the center of the cell and the spindle fibers attach to each chromosome.

a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
18.

The following describes _________ during mitosis. The spindle fiber splits the chromosomes and they move to opposite sides of the cell.

a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
19.

The following describes _________ during mitosis. Two new nuclei form, chromosomes are no longer visible, and the spindle fibers disappear.

a)

prophase

b)

metaphase

c)

anaphase

d)

telophase

20.

The cell spends most of it's life in...

a)

interphase

b)

G2

c)

cytokinesis

d)

metaphase

21.

Last stage of the cell cycle in which the cytoplasm divides to form two identical cells.

a)

interphase

b)

cytokinesis

c)

prophase

d)

telophase

22.
Before cells can divide, what must be copied?
a)
mitochondria
b)
cytoplasm
c)
DNA
d)
Cell Wall
23.
The stages of mitosis in order
a)
Metaphase, Anaphase, Prophase, Telophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Anaphase, Prophase, Telophase, Metaphase
24.

During what phase of the cell cycle is DNA replicated?

a)

G1 phase

b)

G2 phase

c)

S phase

d)

M phase

25.

Put the following stages of the cell cycle in order: G2, S, G1, M. 

a)

S, G1, G2, M

b)

G1, S, G2, M

c)

G1, M, G2, S

d)

M, G1, S, G2

26.

When one allele mask/hides the presence of another, the allele is ___. It is written using a capital letter.

a)

recessive

b)

hybrid

c)

dominant

d)

phenotype

27.

An allele that is masked/hidden by another is ___. It is written using a lower case letter.

a)

Phenotype

b)

Homozygous

c)

Dominant

d)

Recessive

28.

All the forms of a gene for any given trait

a)

Hybrid

b)

Alleles

c)

Genetics

d)

Heterozygous

29.

the physical make-up of an organism

a)

genotype

b)

homozygous

c)

heterozygous

d)

phenotype

30.

The genetic make-up of an organism

a)

trait

b)

gene

c)

genotype

d)

allele

31.

How many are heterozygous?

a)

0%

b)

25%

c)

50%

d)

100%

32.

How many are homozygous dominant?

a)

100%

b)

50%

c)

25%

d)

0%

33.
If brown eyes are dominant over blue eyes, what would be the  parent genotypes if two heterozygous brown eyed persons were crossed?
a)
BB and bb
b)
BB and Bb
c)
Bb and Bb
d)
bb and Bb
34.
How many generations are shown in this pedigree?
a)
1
b)
2
c)
3
d)
4
35.

How many daughters did the mother and father from the first generation have?

a)

2

b)

4

c)

5

d)

6

36.

How many males are carriers?

a)

2

b)

3

c)

4

d)

5

37.

Chickens can have black feathers, white feathers, or black & white speckled. What type of dominance does this show?

a)

Incomplete dominance

b)

Co-dominance

c)

Sex-linked dominance

d)

Mendelian dominance

38.

Chickens can have black (B) feathers, white (W) feathers, or black & white speckled. Cross a black chicken with a speckled chicken. What are the genotypes?

a)

BB x BW

b)

BB x Bb

c)

BB x WW

d)

BW x BW

39.

Chickens can have black (B) feathers, white (W) feathers, or black & white speckled. Cross a black chicken with a speckled chicken. What are the odds of having a black chicken?

a)

0%

b)

25%

c)

50%

d)

75%

40.

Colorblindness is an X-linked recessive trait. Which of the following shows a FEMALE who has the disease?

a)

XBXbX^BX^b  

b)

XbXbX^bX^b  

c)

XBYX^BY  

d)

XbYX^bY  

41.

Colorblindness is an X-linked recessive trait. Which of the following shows a FEMALE who is not colorblind, but is a carrier and can pass it down to her children.

a)

XBXbX^BX^b  

b)

XbXbX^bX^b  

c)

XBYX^BY  

d)

XbYX^bY  

42.

Colorblindness is an X-linked recessive trait. Which of the following shows a MALE who has the disease?

a)

XBXbX^BX^b  

b)

XbXbX^bX^b  

c)

XBYX^BY  

d)

XbYX^bY  

43.

Colorblindness is an X-linked recessive trait. Cross a colorblind male with a carrier female. What are the odds of having a colorblind child?

a)

0%

b)

25% 

c)

50% 

d)

75% 

44.

Which of the following shows a homozygous dominant genotype?

a)

HH

b)

Hh

c)

hh

45.

Which of the following shows a homozygous recessive genotype?

a)

HH

b)

Hh

c)

hh

46.

Which of the following shows a heterozygous genotype?

a)

HH

b)

Hh

c)

hh

47.

What type of inheritance do two alleles have if their traits blend together?

a)

Incomplete Dominance

b)

Co-Dominance

c)

Mendelian Inheritance (Complete Dominance)

d)

Homozygous Inheritance

48.
Which of the following statements is true regarding blood types?
a)
A and O are codominant, B is recessive.
b)
B and O are codominant, A is recessive.
c)
A and B are codominant, O is recessive.
d)
A , B and O are all codominant with each other.
49.

Red hair (R) and white hair (W) are codominant in cows.

Cross a white cow (WW) with a red cow (RR).

What color will the calves be?

a)

White

b)

Red

c)

Pink

d)

Roan

(Mix of white spots and red spots)

50.

You have two flowers. The red allele shows incomplete dominance over the white allele.

You breed a red flower (RR) with a white flower (rr).

What do you think the offspring will look like?

a)

All red

b)

All white

c)

All pink

d)

Half red, half white.

51.

Red flowers (R) show incomplete dominance over white flowers (r). Cross two pink flowers (Rr).

What percentage of the offspring will have red flowers?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

52.

Red hair (R) and white hair (W) are codominant in cows. They produce a cow with both red and white spots, called "roan", when mixed.

Cross a white cow (WW) with a roan cow (RW).

What percentage will be white?

a)

0%

b)

25%

c)

50%

d)

75%

e)

100%

53.

Red-green color blindness is an X-linked recessive trait. A color-blind woman and a man with normal vision have a son. What is the probability that the son is also color-blind?

a)
0%
b)
25%
c)
50%
d)
100%
54.

What type of inheritance pattern is shown here?

a)

Codominance

b)

Incomplete dominance

55.

If a person has type B blood, the phenotype is B. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

56.

If a person has type O blood, the phenotype is O. What can the genotype be?

a)

IBIB or IBi

b)

IAIA or IAi

c)

IAIB

d)

ii

57.

What type of inheritance is determined by multiple genes and there can be a range of traits?

a)

Codominance

b)

Incomplete dominance

c)

Polygenic traits

58.
What percentage of the female offspring will be a carrier for this recessive disease?
a)
0%
b)
50%
c)
100%
d)
25%
59.
Which of the following genotypes belongs in the red box in the Punnett square?
a)
XBXb
b)
XbXb
c)
XbY
d)
XBY
60.
Vitamin D resistant rickets (deformed bone formation) is a sex-linked DOMINANT trait.  According to the Punnett square, what percentage of female offspring will have the disorder?
a)
0%
b)
25%
c)
50%
d)
100%
61.
Males are more likely to suffer from a sex-linked disease or disorder because
a)
males are the weaker sex
b)
males have less DNA
c)
males have 1 X chromosome, so the disorder is more likely to be expressed
62.

What phase is shown here? Hint: you are starting to see the nuclear membrane again!

a)

Metaphase II

b)

Telophase I

c)

Telophase II

d)

Metaphase I

63.

What phase is this?


Hint: membrane is disappearing

a)

Interphase II

b)

Prophase I

c)

Metaphase I

d)

Anaphase II

64.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
65.
What phase is shown here?
a)
Anaphase II
b)
Metaphase I
c)
Anaphase I
d)
Telophase II
66.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
67.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
 Metaphase I
68.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
69.
What process is shown here?
a)
Genetic Randomization
b)

Crossing Over

c)
Allele Switching
d)
Cross Pollination
70.
When does the process shown here happen?
a)
Prophase I
b)
Anaphase II
c)
Interphase II
d)
Telophase I
71.

CROSSING OVER INCREASES

a)

LIFE SPAN

b)

GENETIC VARIATION

c)

THE NUMBER OF OFF-SPRING

d)

ALL ARE TRUE

72.
The correct order of the phases of mitosis and meiosis could be abbreviated as:
a)
MAPT
b)
PAMT
c)
TPAM
d)
PMAT
73.

Ends with diploid number of chromosomes

a)

Mitosis

b)

Meiosis

c)

Both

74.

Involves crossing over

a)

Mitosis

b)

Meiosis

c)

Both

75.

Chromosomes condense

a)

Mitosis

b)

Meiosis

c)

Both

76.

Produces four cells

a)

Mitosis

b)

Meiosis

c)

Both

77.

produces identical daughter cells

a)

Mitosis

b)

Meiosis

c)

Both

78.

for growth and repair

a)

Mitosis

b)

Meiosis

c)

Both

79.

produces haploid cells

a)

Mitosis

b)

Meiosis

c)

Both

80.

produces two cells

a)

Mitosis

b)

Meiosis

c)

Both

81.

produces non-identical cells

a)

Mitosis

b)

Meiosis

c)

Both

82.

begins with diploid parent cell

a)

Mitosis

b)

Meiosis

c)

Both