Worksheetsmeiosis
Total questions: 27
Worksheet time: 16mins
Name
Class
Date
1.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
2.
Crossing over is important because....
a)
It prevents mutations from entering the gametes.
b)
It allows for even distribution of chromosomes in the gametes.
c)
It allows for more genetic diversity of gametes.
d)
It allows for genetic uniformity of gametes.
3.
You inherited...
a)
most of your chromosomes from your mother
b)
most of your chromosomes from your father
c)
a random number of chromosomes from each parent
d)
half your chromosomes from your mother and half from your father.
4.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
5.
Most of the cells in the human body are produced by
a)
mitosis
b)
meiosis
6.
products of meiosis are genetically
a)
different
b)
identical
7.
type of reproduction of meiosis
a)
sexual
b)
asexual
8.
A cat has a total of 38 chromosomes in its body cells. How many in its gametes?
a)
38
b)
19
c)
76
d)
10
9.
The process of crossing over occurs in what phase of meiosis?
a)
anaphase 1
b)
prophase 1
c)
prophase 2
d)
telophase 1
10.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
11.
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
12.
The purpose of meiosis is to form ________ cells.
a)
body
b)
sex
c)
somatic
d)
brain
13.
Meiosis occurs in the testes in men and the ___________ in women.
a)
uterus
b)
cervix
c)
ovaries
d)
stomach
14.
Which of these cells would undergo meiosis?
a)
skin cells
b)
liver cells
c)
brain cells
d)
sperm cells
15.
The chromosomes that pair up during meiosis, are called __________ chromosomes.
a)
homozygous
b)
asexual
c)
homologous
d)
genes
16.
You get one homologous chromosome from your ________ and one from your _______.
a)
dad, mom
b)
brother, sister
c)
grandmother, grandfather
d)
the stork, the stork
17.
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
18.
How many times in meiosis does the cell divide (cytokinesis)?
a)
2
b)
4
c)
3
d)
1
19.
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
20.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
21.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
22.
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
23.
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
24.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
25.
What kind of cells are made in MEIOSIS?
a)
Haploid Gametes
b)
Diploid Somatic Cells
c)
Skin Cells
d)
Liver Cells
26.
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
27.
Goes through P.M.A.T two rounds
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Transcription
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