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Mitosis & Meiosis Review

Total questions: 20

Worksheet time: 13mins

Name
Class
Date
1.
When a cell divides, what do we call the 2 new cells?
a)
mother cells
b)
father cells
c)
daughter cells
d)
son cells
2.
In meiosis, the haploid number of chromosomes in a human sex cell is:
a)
46
b)
92
c)
22
d)
23
3.
When you start with 1 cell, at the end of mitosis, how many identical cells will you have?
a)
1
b)
2
c)
3
d)
4
4.
After meiosis is complete how many cells will there be?
a)
1
b)
2
c)
3
d)
4
5.
Another name for a sex cell is a:
a)
gamete
b)
embryo
c)
bone cell
d)
muscle cell
6.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
7.
What is an advantage of sexual reproduction?
a)
Allows genetic variation
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
8.
Before a cell can divide, what must happen?
a)
Nothing, it is always ready to divide
b)
The number of chromosomes must be reduced by half
c)
The  chromosomes must replicate
d)
The number of chromosomes must triple.
9.
What is the diploid number of cells found in a human body cell?
a)
23
b)
46
c)
92
d)
47
10.
After meiosis is complete, the new cells:
a)
are all identical
b)
are all different
c)
are half identical and half different
d)
are all stretched out
11.

Chromosomes become visible. The

membrane around the nucleus begins to

disappear.

a)

Interphase

b)

cytokinesis

c)

Anaphase

d)

Metaphase

e)

Prophase

12.

Chromosome pairs split apart and begin to move to opposite sides of the cell.

a)

Interphase

b)

cytokinesis

c)

Anaphase

d)

Metaphase

e)

Prophase

13.

Chromosome pairs line up along the middle of the cell.

a)

Interphase

b)

cytokinesis

c)

Anaphase

d)

Metaphase

e)

Prophase

14.

The cytoplasm divides. Two new cells are

formed, identical to the original cell. Each new

cell is in the growth stage of the Cell Cycle.

a)

Interphase

b)

cytokinesis

c)

Anaphase

d)

Metaphase

e)

Telophase

15.

A nuclear membrane forms around each

set of chromosomes. Each new nucleus has

the same number of chromosomes as the

original cell.

a)

Interphase

b)

cytokinesis

c)

Anaphase

d)

Metaphase

e)

Telophase

16.

The diagram shows homologous chromosomes during prophase I of meiosis. Which of the following correctly describes the process being illustrated?

a)

Segregation of sister chromatids

b)

Mutation in which the DNA content of the gene is altered

c)

Crossing over in which alleles are exchanged

d)

Condensation and segregation of alleles

17.

If chromosomes fail to separate properly during either anaphase I or II, a chromosomal error occurs known as

a)

disjunction

b)

crossing over

c)

non-disjunction

d)

synapsis

18.

An organized picture of an individual's chromosomes used to diagnose extra or missing chromosomes

a)

amniocentesis

b)

urine analysis

c)

blood typing

d)

karyotype

19.

A mutation involving an extra copy of a chromosome

a)

monosomy

b)

disomy

c)

trisomy

d)

triploid

20.

A chromosomal disorder also known as trisomy 21

a)

Turner Syndrome

b)

Down Syndrome

c)

Klinefelter Syndrome

d)

Edward Syndrome

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