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WorksheetsCBA 4 Review
Total questions: 50
Worksheet time: 2hrs 8mins
Name
Class
Date
1.
During which phase of the cell cycle does the cell spend the most time?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
2.
During which part of the cell cycle does the cell divide?
a)
Interphase
b)
Mitosis
c)
S phase
3.
During which part of the cell cycle is DNA copied?
a)
Mitosis
b)
Cytokinesis
c)
S phase
4.
During which parts of the cell cycle does the cell grow?
a)
G1 and G2
b)
G1 and S
c)
M phase and cytokinesis
5.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Anaphase
c)
Telophase
6.
Which phase of mitosis is shown in the picture?
a)
Interphase
b)
Metaphase
c)
Telophase
7.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Metaphase
c)
Anaphase
8.
Which phase of mitosis is shown in the picture?
a)
Prophase
b)
Telophase
c)
Metaphase
9.
What is the purpose of the cell cycle?
a)
To create new daughter cells
b)
To prevent cancer from developing
c)
To help the body fight viruses and bacteria
10.
The phase of mitosis when chromosomes align in the
middle is called ________
a)
anaphase
b)
prophase
c)
telophase
d)
metaphase
11.
The stage of mitosis where the sister chromatids separate:
a)
prophase
b)
anaphase
c)
telophase
d)
metaphase
12.
The first phase of mitosis is called _______________ .
a)
telophase
b)
metaphase
c)
anaphase
d)
prophase
13.
In what phase does chromatin condense to form chromosomes?
a)
Mitosis
b)
Interphase
c)
Prophase
d)
Anaphase
14.
In the S stage of interphase_______________
a)
the cell grows
b)
the nucleus divides
c)
the cell membrane divides
d)
the DNA is replicated
15.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
16.
Is the following cell diploid or haploid?
a)
Diploid
b)
Haploid
17.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
18.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
19.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
20.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
21.
Which statement best describes the importance of sexual reproduction?
a)
sexual reproduction produces variation in offspring
b)
sexual reprosuction provides regeneration of body parts
c)
sexual reproduction occurs between individuals of the same species
d)
sexual reproduction produces offspring that are identical
22.
Which of the following statements correctly describes meiosis?
a)
Meiosis does not occur in reproductive cells.
b)
The cells produced at the end are identical
c)
the cells produced at the end contain half the # of chromosomes
d)
cells divide only once during meiosis
23.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, ____ occurs.
a)
mutagenesis
b)
hybridization
c)
crossing over
d)
fertilization
24.
Meiosis is the key process in the production of_________.
a)
body cells
b)
RNA
c)
white blood cells
d)
gametes
25.
At the end of mitosis you have _____ cells
a)
identical
b)
different
c)
identical twins
d)
variety
26.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
27.
This picture shows which process?
a)
mitosis
b)
meiosis
c)
the cell cycle
28.
Name the phase of Mitosis:
a)
Prophase
b)
Metaphase
c)
Anaphase
d)
Telophase
29.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
30.
Cancer creates abnormal cells by disrupting
a)
the cell cycle
b)
red blood cell formation
c)
DNA replication
d)
ATP synthesis
31.
A mother (Bb) and a father (BB) had a baby. What is the chance the baby is blue eyed?
a)
0% 0/4
b)
25% 1/4
c)
50% 2/4
d)
75% 3/4
e)
100% 4/4
32.
A mother (bb) and a father (BB) had a baby. What is the chance the baby is homozygous dominant?
a)
0% 0/4
b)
25% 1/4
c)
50% 2/4
d)
75% 3/4
e)
100% 4/4
33.
Aa is an example of
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
34.
bb is an example of
a)
homozygous dominant
b)
homozygous recessive
c)
heterozygous
d)
none of these
35.
What is a phenotype
a)
The genetic make up (code)
b)
The physical trait
36.
Green is dominant to yellow. Two heterozygous green plants are crossed. What are the genotypes of the offspring?
a)
100% Gg
b)
50% GG, 50% Gg
c)
25% GG, 50% Gg, 25% gg
d)
75% Gg, 25% gg
37.
In watermelons, green rinds (G) are dominant to striped rinds (g). What is the genotype of a heterozygous green watermelon?
a)
GG
b)
Gg
c)
gg
d)
green
38.
If green is dominant over purple, then what is the genotype for this individual?
a)
Purple
b)
Green
c)
GG
d)
gg
39.
Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?
a)
9/16
b)
3/16
c)
1/16
d)
16/16
40.
A male beetle has the genotype Ttbb. If this beetle mates with a female with genotype TTBb, what is the chance their offspring will have the genotype TtBb?
a)
3/16
b)
4/16
c)
8/16
d)
12/16
41.
Aa, DD, bB, yy are all examples of
a)
genotypes
b)
phenotypes
42.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
43.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
44.
Cross Two Homozygous plants
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
(RRYY x rryy)
R = round seeds, r = wrinkled seeds Y = yellow seeds, y = green seeds
What percent will have Round and Yellow seeds?
a)
0%
b)
25%
c)
50%
d)
100%
45.
having two of the same genes for the trait (sometimes called purebred).
a)
homozygous
b)
hetrozygous
c)
protein
d)
chromosome
46.
having two different genes for a trait (sometimes called hybrid).
a)
protein
b)
homozygous
c)
heterozygous
d)
genotype
47.
T - tall and t = short
In the punnett square below, what belongs in the missing square
In the punnett square below, what belongs in the missing square
a)
tt
b)
Tt
c)
Bb
d)
TT
48.
What is a genotype?
a)
The genetic make up (code)
b)
The physical trait
49.
G = green, g = yellow
The genotype for a yellow plant is...
The genotype for a yellow plant is...
a)
GG
b)
Gg
c)
gg
d)
all of the choices result in yellow
50.
Two heterozygous (Tt) tall pea plants are crossed. Which describes their offspring?
a)
50% tall and 50% short
b)
75%tall and 25% short
c)
100%short
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