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WorksheetsMeiosis
Total questions: 30
Worksheet time: 19mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
3.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
4.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
5.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
6.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
7.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad (pair of chromosomes, one from mom and one from dad)
b)
triad
c)
diploid
d)
quad (group of 4 replicated chromosomes, 2 from mom and 2 from dad)
8.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
9.
What phase is shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
10.
products of meiosis are genetically
a)
different
b)
identical
11.
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
12.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
13.
What is it called when a sperm and egg meet?
a)
meiosis
b)
fertilization
c)
cell division
d)
mitosis
14.
A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?
a)
20
b)
40
c)
80
d)
160
15.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
16.
What phase is shown here?
a)
Prophase II
b)
Metaphase I
c)
Metaphase II
d)
Anaphase I
17.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
18.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
19.
What phase is shown here?
a)
Anaphase I
b)
Prophase I
c)
Metaphase II
d)
Metaphase I
20.
What phase is shown here?
a)
Telophase II
b)
Anaphase II
c)
Metaphase I
d)
Interphase I
21.
What phase is shown here?
a)
Telophase I
b)
Metaphase II
c)
Telophase II
d)
Anaphase I
22.
Unlike mitosis, meiosis in male mammals results in the formation of
a)
one haploid gamete
b)
three diploid gametes
c)
four diploid gametes
d)
four haploid gametes
23.
Chromosomes lined up at the center of a cell move to opposite ends of the cell, but the centromere does not split. What must be true?
a)
Meiosis II
b)
This is mitotic anaphase.
c)
This is a bacterial cell.
d)
This is meiosis I.
24.
What happens between meiosis I and meiosis II that reduces the number of chromosomes?
a)
Replication occurs once.
b)
Metaphase occurs.
c)
Replication does not occur.
d)
Crossing-over occurs.
25.
Why is meiosis necessary for sexual reproduction?
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
26.
Meiosis II is similar to mitosis in that...
a)
homologous chromosomes synapse
b)
DNA replicates before division
c)
The chromosome number is reduced
d)
Sister chromatids separate during anaphase
27.
One of the two halves of a chromosome.
a)
chromatid
b)
spindle fiber
c)
homologue
d)
replicant
28.
One difference between mitosis and meiosis is meiosis requires
a)
two cell divisions
b)
extra chromosomes
c)
two mother cells
d)
DNA replication
29.
The section of the chromosome labeled "A" is called...
a)
genome
b)
chromatin
c)
gene
d)
Sister chromatin
30.
Type of reproduction in which a single parent passes a complete copy of its genetic material to its offspring. Offspring is genetically identical to the parent.
a)
Sexual
b)
Fertilization
c)
Asexual
d)
Autosome
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