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WorksheetsMeiosis- 4th - S2017
Total questions: 33
Worksheet time: 35mins
Name
Class
Date
1.
The specific purpose of Meiosis is to make....
a)
4 haploid gametes
b)
2 diploid cells
c)
me
d)
clones
2.
All of the following will result in genetic variation EXCEPT
a)
mutations
b)
mitosis
c)
crossing over
d)
independent assortment
3.
Homologous chromosomes have genes for _______ traits - one from mom and one from dad
a)
the same
b)
different
c)
magic
d)
various
4.
What is shown here? why is it important?
a)
crossing over - increases diversity
b)
nondisjunction - increases diversity
c)
crossing over - decreases diversity
d)
nondisjunction - decreases diversity
5.
If a somatic cell has 50 chromosomes, how many chromosomes would be in its sperm cells?
a)
50
b)
25
c)
100
d)
12.5
6.
Identify the phase. (There are 2 cells...)
a)
Metaphase I
b)
Metaphase II
c)
Prophase I
d)
Anaphase II
7.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
8.
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
9.
When homologous chromosomes match up, they form a structure call a ___________.
a)
tetrad
b)
triad
c)
diploid
d)
gamete
10.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
11.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
12.
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
13.
The haploid number for a human cell is
a)
23
b)
46
c)
92
d)
0
14.
Meiosis results in _____ haploid cells.
a)
4
b)
2
c)
many
d)
some
15.
Which process increases the variability of genetic information?
a)
Mitosis
b)
Meiosis
16.
Name this phase of meiosis.
a)
Prophase 1
b)
Metaphase 1
c)
Anaphase 2
d)
Telophase 1
17.
Name this phase of meiosis.
a)
Metaphase 2
b)
Prophase 1
c)
Anaphase 1
d)
Metaphase 1
18.
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
19.
What is passed on from parents to their offspring on chromosomes?
a)
Genes
b)
Spindle Fibers
c)
Centrioles
d)
Cytoplasm
20.
What phase of the cell cycle is shown here?
a)
Prophase I
b)
Interphase
c)
Anaphase II
d)
Telophase I
21.
What phase of meiosis is depicted?
a)
Anaphase I (early)
b)
Cytonkinesis (early)
c)
Interphase (early)
d)
Prophase I (early)
22.
DNA is replicated during ______ of the cell cycle.
a)
G1
b)
S
c)
G2
d)
G0
23.
Name the phase:
a)
Prophase I
b)
Metaphase I
c)
Anaphase I
d)
Telophase I
24.
Crossing-over enables chromatids to exchange
a)
centromeres
b)
genes
c)
spindle fibers
d)
histones
25.
The cell below is going through meiosis. It is in _________.
a)
Prophase I
b)
Prophase II
c)
Metaphase I
d)
Metaphase II
26.
The cell below is going through meiosis. It is in ______________.
a)
Prophase I
b)
Prophase II
c)
Metaphase I
d)
Metaphase II
27.
With mitosis you get ___, _________ cells, but with meiosis, you get ___, ____________.
a)
4, different, 2, identical
b)
4, identical, 2, different
c)
2, different, 4, identical
d)
2, identical, 4, different
28.
At fertilization the male and female sex cells will provide...
a)
Double of their chromosomes each
b)
One/third of their chromosomes each
c)
All of their chromosomes each
d)
Half of their chromosomes each
29.
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
30.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
31.
During which phase of the meiotic cell cycle does DNA Replication occur?
a)
Interphase
b)
Prophase
c)
Metaphase
d)
Telophase
32.
Is the DNA copied again following meiosis I?
a)
yes
b)
no
c)
sometimes
33.
The body cells of a horse contain 64 chromosomes. How many chromosomes would be present after Interphase?
a)
64 chromosomes
b)
128 chromosomes
c)
63 chromosomes
d)
32 chromosomes
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