WorksheetsMeiosis
Total questions: 20
Worksheet time: 15mins
Name
Class
Date
1.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
2.
A human usually has xx amount of chromosomes.
a)
6
b)
23
c)
4
d)
46
e)
92
3.
What phase is shown in the picture?
a)
anaphase 1
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
4.
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
5.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
6.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
7.
If a somatic cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
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.
Chromosomes exchange genetic material during
a)
crossing over
b)
replication
c)
synthesis
d)
translation
10.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
11.
Which of the following best describes meiosis?
a)
It is carried out in all tissues theat require cell replacement
b)
It occurs only in cells in the reproductive structures of an organism
c)
It happens in all of the tissues except the brain and spinal cord
d)
It is the first stage of mitosis
12.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
13.
What phase is shown in the picture?
a)
metaphase 2
b)
anaphase 2
c)
metaphase 1
d)
telophase 1
14.
Products of meiosis are genetically
a)
different
b)
identical
15.
How many daughter cells does Meiosis create?
a)
2
b)
4
c)
8
d)
1
16.
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
17.
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.
18.
Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?
a)
The same number
b)
One-fourth as many
c)
Twice as many
d)
Half as many
19.
Females have ____ and males have _____ chromosomes.
a)
XX, XY
b)
XY, XX
c)
XX, XX
d)
XY, XY
20.
Which cells are examples of gametes
a)
Sperm cells, Egg cells
b)
Stomach Cells, Brain cells
c)
Liver cells, skin cells
d)
Lung Cells, Sperm cells
100 %
