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WorksheetsCell Cycle and Genetics
Total questions: 40
Worksheet time: 54mins
Name
Class
Date
1.
The G1, S, and G2 phases occur during which of the following?
a)
Interphase
b)
Mitosis
c)
Telophase
d)
Cytokinesis
2.
When do chromosomes move to the center of the cell?
a)
During anaphase
b)
During prophase
c)
During telophase
d)
During metaphase
3.
Which of the following terms means "division of the cytoplasm"?
a)
Cytoplasm
b)
Mitosis
c)
Interphase
d)
Cytokinesis
4.
Which is the longest part in the Cell Cycle?
a)
Mitosis
b)
Cytokinesis
c)
Interphase
d)
Metaphase
5.
During which phase does the chromosomes begin to separate to opposite sides of the cell?
a)
Prophase
b)
Telophase
c)
Interphase
d)
Anaphase
6.
When are spindle fibers created it the Cell Cycle?
a)
Telophase
b)
S of Interphase
c)
Prophase
d)
Cytokinesis
7.
During which phase will the cell resemble "two cells" that are merged together? (not separated yet)
a)
Telophase
b)
Cytokinesis
c)
Interphase
d)
Anaphase
8.
What are the 3 parts of the Cell Cycle?
a)
Mitosis, Interphase, Cytokinesis
b)
Interphase, S, G1, G2
c)
Prophase, Mitosis, Cytokinesis
d)
Interphase, Cytokinesis, G2
9.
What is the correct order of phases in Mitosis?
a)
Telophase, Anaphase, Metaphase, Prophase
b)
Prophase, Anaphase, Metaphase, Telophase
c)
Prophase, Metaphase, Anaphase, Telophase
d)
Metaphase, Anaphase, Telophase, Prophase
10.
Homozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
11.
Heterozygous is when...
a)
the alleles are the same
b)
the alleles are different
c)
the alleles are absent
d)
the alleles are present
12.
In a heterozygous genotype, the ___________ allele takes over in the phenotype.
a)
recessive
b)
dominant
c)
lower case letter
d)
both
13.
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
14.
B = brown fur b = white fur
In the punnett square, what is the probability for white fur?
In the punnett square, what is the probability for white fur?
a)
0%
b)
25%
c)
50%
d)
75%
15.
In the punnett square shown, what must the genotype of the missing parent be?
a)
BB
b)
Bb
c)
bb
d)
Tt
16.
Which of the following is a phenotype?
a)
Aa
b)
black hair
c)
heterozygous genes
d)
mutated DNA
17.
What you see, or the physical appearance.
a)
Genotype
b)
Phenotype
c)
Homozygous
d)
Heterozygous
18.
What is the probability of heterozygous offspring?
a)
25%
b)
50%
c)
0%
d)
100%
19.
What allele combination should go in the missing box?
a)
AA
b)
Aa
c)
aa
d)
none of these
20.
Each one of the boxes on the Punnett Square represents what probability of an offsprings' genotype?
a)
25%
b)
1%
c)
10%
d)
0%
21.
In a pedigree, what shape represents a male?
a)
circle
b)
square
c)
triangle
d)
diamond
22.
Which of the following genotypes is homozygous dominant?
a)
A
b)
Aa
c)
AA
d)
aa
23.
Which of the following genotypes is heterozygous?
a)
Bb
b)
BB
c)
bb
d)
B
24.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
25.
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.
26.
What happens in cytokinesis?
a)
The cell fully splits into two cells
b)
The cell digests its extra DNA
c)
The cell prepares for mitosis
d)
There are eight important checkpoints there
27.
In pea plants, the tall allele is dominant to the short allele. What key would demonstrate this?
a)
Tall = T
Short = S
Short = S
b)
Tall = T
Short = t
Short = t
c)
Tall = t
Short = T
Short = T
d)
Tall = TT
Short = tt
Short = tt
28.
A heterozygous long-tusked elephant is crossed with a homozygous recessive short-tusked elephant. What is the probability of the offspring having short tusks?
a)
0%
b)
25%
c)
50%
d)
75%
29.
Which of the following genotypes is homozygous recessive?
a)
Tt
b)
tt
c)
TT
d)
tT
30.
In a flowering plant species, red flower color (R) is dominant over white flower color (r). What is the genotype of any white-flowering plant resulting from this species?
a)
rr
b)
rR
c)
RR
d)
Rr
31.
How many chromosomes does a human cell have?
a)
42
b)
46
c)
24
d)
64
32.
How many daughter cells are produced in mitosis?
a)
1
b)
2
c)
4
d)
6
33.
a)
Anaphase
b)
Cytokinesis
c)
Telophase
d)
Metaphase
34.
a)
Cytokinesis
b)
Interphase
c)
Anaphase
d)
Metaphase
35.
a)
Cytokinesis
b)
Anaphase
c)
Telophase
d)
Prophase
36.
Which is Metaphase?
a)
A
b)
E
c)
C
d)
F
37.
Which choice is NOT part of the cell theory.
a)
All organisms are composed of cells.
b)
Cells are the basic unit of life.
c)
All cells come from previous cells.
d)
Cells are always the same size and shape.
38.
A nucleotide is made up of three parts: which of these is not one of those parts?
a)
sugar
b)
phosphate
c)
amino acids
d)
base
39.
A strand of DNA that looks like a twisted ladder is called a _____________________
a)
triple twist
b)
corkscrew
c)
double helix
d)
chain reaction
40.
____________________ is to make copies of DNA
a)
replicate
b)
recycle
c)
reuse
d)
rejoice
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