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WorksheetsMitosis, Meiosis, & Genetics Review
Total questions: 35
Worksheet time: 30mins
Name
Class
Date
1.
What is the purpose of mitosis?
a)
create genetic diversity
b)
increase cell volume
c)
produce new offspring
d)
replace damaged cells and growth
2.
If a cell with 36 chromosomes undergoes MITOSIS, how many chromosomes will each of the two new cells have?
a)
9
b)
18
c)
36
d)
72
3.
During which stage of the cell cycle does the cell duplicate its DNA?
a)
M stage
b)
G1 stage
c)
S stage
d)
G2 stage
4.
During which phase of mitosis are sister chromatids pulled to opposite ends of the cell?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
5.
What occurs during cytokinesis?
a)
binary fission takes place
b)
DNA duplicates
c)
cytoplasm divides
d)
spindle apparatus forms
6.
What phase of mitosis is shown?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
7.
What phase of mitosis is shown below?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
8.
What phase of mitosis is shown below?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
9.
What phase of mitosis is shown below?
a)
prophase
b)
metaphase
c)
anaphase
d)
telophase
10.
Which distinguishes the process of cytokinesis in plants and animals?
a)
A cell plate forms in animal cells, while a furrow forms in plant cells.
b)
A cell plate forms in plant cells, while a furrow forms in animal cells.
c)
Cytokinesis results in genetic diversity in animal cells but not plant cells.
d)
Cytokinesis results in genetic diversity in plant cells but not animal cells.
11.
What is the purpose of meiosis?
a)
growth and repair of damaged cells
b)
increase the amount of DNA
c)
formation of gametes
d)
decrease cell volume
12.
How many chromosomes are found in human body cells?
a)
11
b)
23
c)
46
d)
92
13.
What is the number of chromosomes in a haploid cell?
a)
1N
b)
2N
c)
3N
d)
4N
14.
What term is used to describe pairs of chromosomes having DNA segments, or genes, for the same traits?
a)
homologous
b)
analogous
c)
homozygous
d)
parallel
15.
An organism with the genotype DD for a trait is
a)
heterozygous dominant
b)
heterozygous recessive
c)
homozygous dominant
d)
homozygous recessive
16.
A heterozygous organism is BEST described as which of these?
a)
recessive
b)
hybrid
c)
genotype
d)
pure-breeding
17.
What is formed as a result of meiosis?
a)
four genetically different cells
b)
four genetically identical cells
c)
two genetically different cells
d)
two genetically identical cells
18.
You are given a sample of unknown human cells to examine. Analysis of their nuclei reveals that each cell contains 23 chromosomes. What types of cells might these be?
a)
egg cells
b)
skin cells
c)
liver cells
d)
white blood cells
19.
How many chromosomes would a sperm cell have of an organism whose diploid number was 8?
a)
2
b)
4
c)
6
d)
8
20.
Which is a difference between meiosis I and meiosis II?
a)
Cytokinesis occurs during meiosis II but not meiosis I
b)
Meiosis I has a prophase stage, but meiosis II does not.
c)
Meiosis II results in four cells instead of two cells.
d)
Nuclear membranes form during meiosis II but not meiosis I.
21.
During which phase of meiosis do homologous chromosomes align as tetrads in the middle of the spindle?
a)
prophase I
b)
prophase II
c)
metaphase I
d)
metaphase II
22.
What process is taking place in the illustration?
a)
fertilization
b)
prophase II
c)
polyploidy
d)
crossing over
23.
After performing a monohybrid cross, it is important to analyze the results with a Punnett square. What does each box in a Punnett square represent?
a)
possible genotype
b)
possible phenotype
c)
one individual
d)
two possible genotypes
24.
The tall allele, T, is dominant to the short allele, t, in Mendel's pea plants. You examine a pea plant that exhibits the tall phenotype. What is the genotype?
a)
Tt
b)
TT
c)
tt
d)
Both TT and Tt are possible
25.
What are the possible genotypes for this cross?
a)
1 TT : 2Tt : 1tt
b)
3Tt : 1 tt
c)
2TT : 1Tt : 1tt
d)
4Tt
26.
A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offspring are tall. What is the most likely genotype of the offspring?
a)
tt
b)
Tt
c)
TT
d)
TT and tt are equally likely
27.
What is the probability that a cross between a heterozygous dominant yellow-seeded pea plant and a homozygous recessive green-seeded pea plant will produce green-seeded offspring?
a)
1
b)
1/2
c)
1/4
d)
1/8
28.
Mendel crossed a true-breeding plant that produced green seeds with a true-breeding plant that produced yellow seeds to produce an F1 generation. The entire F1 generation produced yellow seeds. Then he crossed the F1 offspring with each other to produce the F2 generation. From the F2 generation, he counted 6022 yellow seeds. Which of these is the most likely estimate of the number of green seeds he collected from the F2 generation?
a)
0
b)
2000
c)
6000
d)
18000
29.
In purple people eaters, one-horn is dominant (H) and no horns is recessive (h). If you cross a purple people eater who is homozygous dominant for horns with a purple people eater who has no horns, what is the chance that an offspring will have horns?
a)
25%
b)
50%
c)
75%
d)
100%
30.
Brown eyes are dominant (B) over blue eyes (b). If you cross a male that is heterozygous for eye color with a female that is heterozygous for eye color, what is the chance that they will have a blue eyed offspring?
a)
25%
b)
50%
c)
75%
d)
100%
31.
What is the probability of these two parents producing an offspring with black, fine hair?
a)
1/8
b)
1/4
c)
1/2
d)
3/4
32.
If a pea plant's genotype is TtYy, what are the gametes that this plant could produce?
a)
TY, Ty, tY, and ty
b)
Tt, Yy, tY, and ty
c)
TY, TY, ty, and ty
d)
TT, tt, YY, and yy
33.
How is meiosis different from mitosis?
a)
Mitosis produces 2 daughter cells that are genetically identical. Meiosis produces 4 daughter cells with half the number of chromosomes and that are not genetically identical.
b)
Mitosis has one division and meiosis has two divisions.
c)
Meiosis creates genetic diversity and mitosis does not.
d)
All are correct
34.
Mitosis : Growth & Repair :: Meiosis : _________
a)
Homeostasis
b)
Reproduction
c)
Immunity
d)
Growth only
35.
How many alleles for each trait does each parent pass to the offspring?
a)
1
b)
2
c)
3
d)
4
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