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Meiosis

Total questions: 15

Worksheet time: 14mins

Name
Class
Date
1.

A human body (somatic) cell usually has how many chromosomes?

a)

6

b)

22

c)

4

d)

46

2.

If the diploid number of carrots is 18, the haploid number is

a)

18

b)

9

c)

27

d)

36

3.
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
4.
The result of meiosis is:
a)
two diploid cells
b)
two haploid cells
c)
four diploid cells
d)
four haploid cells
5.

The chromosomes that pair up during meiosis, are called __________ chromosomes.

a)

heterozygous

b)

haploid

c)

homologous

d)

diploid

6.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
7.
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
8.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
9.

At the end of mitosis you have _____ cells.

a)

identical

b)

different

c)

identical twins

d)

variety

10.

The products of meiosis are genetically...

a)

different.

b)

identical.

11.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
12.

How many daughter cells are produced from mitosis?

a)

10

b)

6

c)

4

d)

2

13.

Identify a purpose of mitosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

14.

Identify a purpose of meiosis. Select all that apply.

a)

Produce gametes for reproduction.

b)

Repair damaged or dead cells.

c)

Reduce the chromosome number.

d)

Growth of organisms from birth to adulthood.

15.

What are homologous chromosomes?

a)

Pairs of chromosomes with different genes on each.

b)

Pairs of chromosomes with the same genes on each.

c)

Pairs of chromosomes with no genes.

d)

Pairs of chromosomes with the wrong genes on each.