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WorksheetsMitosis vs. Meiosis
Total questions: 49
Worksheet time: 32mins
Name
Class
Date
1.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
2.
Crossing over results in a __________________
a)
female genotype
b)
male genotype
c)
genetic recombination
d)
phenotype replication
3.
The ________ produced by each parent are shown along the side of a Punnet Square.
a)
zygotes
b)
offspring
c)
gametes
d)
hybrids
4.
Cells containing two alleles for each trait are described as
a)
haploid
b)
heredity
c)
diploid
d)
homozygous
5.
The gamete that contains genes contributed only by the other is___________
a)
the sperm
b)
an egg
c)
a zygote
d)
dominant
6.
Pollination can best be described as
a)
the fusing of the egg nucleus with the pollen nucleus
b)
the transfer of the male pollen grain to the female organ
c)
the formation of male and female sex cells
d)
the type of cell division that produces diploid gametes
7.
Genes located on the homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called____________
a)
alleles
b)
centromeres
c)
phenotypes
d)
gametes
8.
Two similar chromosomes that you inherit from your parents (one from your mother, one from your father) are called
a)
homologous chromosomes
b)
sister chromatids
c)
sex chromosomes
d)
homozygous alleles
9.
Meiosis in humans produces cells with how many chromosomes?
a)
44
b)
22
c)
46
d)
23
10.
Which of the following statements is true of homozygous allele?
a)
They are always inherited together
b)
They are different forms of the same trait
c)
They are identical forms of the same gene
11.
During the growth/gap 1 stage of the cell cycle, a cell
a)
splits into two new cells
b)
doubles in size and growth
c)
Duplicates its DNA
d)
divides its cytoplasm
12.
The process of mitosis and cytokineses produce two identical...
a)
daughter cells
b)
strands
c)
chromosomes
d)
chromatids
13.
During which phase of mitosis do sister chromatids separate from each other
a)
Prophase
b)
metaphase
c)
anaphase
d)
telophase
14.
Which phrase best describes cancer?
a)
absence of cyclins
b)
multiple gene mutations
c)
uncontrolled cell growth
d)
precesnce of genetic defects
15.
Attaches the two identical sister chromatids to form a chromosome.
a)
Chromatin
b)
Chromosomes
c)
Sister Chromatid
d)
Centromere
16.
Highly coiled strand of DNA
a)
Chromatin
b)
Chromosome
c)
Sister Chromatid
d)
Centeromere
17.
Each chromosome contains two identical parts called
a)
Chromatin
b)
Chromosome
c)
Sister Chromatid
d)
centromere
18.
The part of the cell cycle that divides the cytoplasm of the cell
a)
Synthesis Phase
b)
G1 Phase
c)
G2 Phase
d)
Cytokinesis
19.
Substage of Interphase in which the cell copies its DNA in preparation for cell division
a)
G1
b)
Synthesis
c)
G2
d)
Interphase
20.
The chromosomes line up across the middle of the cell
a)
Anaphase
b)
Interphase
c)
Prophase
d)
Methaphase
21.
The chromatids are pulled apart, to opposite ends of the cell
a)
Metaphse
b)
Anaphase
c)
Telephase
d)
Cytokinesis
22.
in this Phase, The chromatin forms chromosomes, nuclear membrane gone.
a)
Interphase
b)
Phrophase
c)
Metaphse
d)
Anaphase
23.
The cell membrane pinches in, dividing the cytoplasm into 2 cells
a)
Metaphase
b)
Anaphase
c)
Telephase
d)
Cytokinesis
24.
A nuclear membrane forms around both sets of chromatids
a)
Metaphse
b)
Anaphase
c)
Telophase
d)
cytokinesis
25.
In which stage of the cell cycle do the nucleus and its contents divide?
a)
synthesis
b)
growth/gap 1
c)
mitosis
d)
growth/gap 2
26.
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
27.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
28.
The purpose of meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
29.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
30.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
31.
What phase is represented?
a)
prophase1
b)
prophase 2
c)
telophase 1
d)
telophase 2
32.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
33.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
34.
When an area of a chromatid is exchanged with the matching area on a chromatid of its homologous chromosome, _________________ occurs
a)
crossing over
b)
mutagenesis
c)
hybridization
d)
fertilization
35.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
37.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
37.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
38.
A human usually has xx amount of chromosomes.
a)
6
b)
22
c)
4
d)
46
39.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
40.
If a somatic (body) cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
41.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
42.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
43.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
44.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
heterozygous
b)
asexual
c)
homologous
d)
genes
45.
How many daughter cells are produced at the end of meiosis?
a)
1
b)
2
c)
3
d)
4
46.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
47.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
48.
Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.
a)
23, 46
b)
46, 23
c)
2, 4
d)
50, 100
49.
According to the chromosome theory of inheritance, what are carried from parents to their offspring on chromosomes?
a)
Genes
b)
Spindle Fibers
c)
Centrioles
d)
Cytoplasm
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