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Meiosis REVIEW

Total questions: 50

Worksheet time: 28mins

Name
Class
Date
1.

Duplicates DNA

a)

exophase

b)

interphase

c)

Mitosis

d)

cytokinesis

2.

cytoplasm splits

a)

mitosis

b)

interphase

c)

cytokinesis

d)

prophase

3.

Uncontrolled cell growth

a)

cancer

b)

mitosis

c)

interphase

d)

g1

4.

Has two divisions

a)

mitosis

b)

meiosis

5.

Ends with four genetically unique (DIFFERENT) cells

a)

mitosis

b)

meiosis

6.

Type of cells that meiosis produces

a)

sperm and egg cells

b)

nerve and blood cells

c)

skin and bone cells

d)

blood cells and muscle cells

7.

independent assortment occurs here

a)

mitosis

b)

meiosis

c)

both

d)

neither

8.

crossing over occurs here

a)

mitosis

b)

meiosis

c)

both

d)

neither

9.
How many parents are required for sexual reproduction? 
a)
one
b)
two
c)
four
d)
six
10.
What is NOT a characteristic of sexual reproduction? 
a)
Gametes from two parents unite to form a zygote.
b)
Offspring are genetically identical with the parent. 
c)
Offspring are different from their parents and sibling.
d)
Genetic variability of offspring help to ensure survival in changing environmental conditions.
11.

Which of the following describes the main advantages of sexual reproduction?

a)

requires lots of time/energy

b)

no new gene combos can arise

c)

genetic diversity

d)

looks identical to the parent

12.
The cells produced via meiosis are called:
a)
sex cells
b)
somatic cells
c)
body cells
d)
skin cells
13.
If the Diploid number of Carrots is 18, the haploid number is
a)
18
b)
9
c)
27
d)
36
14.
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
15.
Human eggs and sperm are _____, and each has ____ chromosomes.
a)
diploid, 23
b)
diploid, 46
c)
haploid, 23
d)
haploid, 46
16.

Each body cell in an earthworm contains 36 chromosomes. How many chromosomes are in each of its gametes?

a)

54

b)

36

c)

72

d)

18

17.

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

a)

Asexual

b)

Homologous

c)

Homozygous

d)

Genes

18.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
19.
Identify the phase.
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
20.
Identify the phase.
a)
Telophase I
b)
Telophase II
c)
Metaphase I
d)
Metaphase II
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.

What phase is shown in the picture?

a)

Prophase I

b)

Prophase II

c)

Telophase II

d)

Anaphase I

23.

What phase is in the picture?

a)

Anaphase I

b)

Anaphase II

c)

Telophase I

d)

Metaphase II

24.

Which of the following is the purpose of meiosis?

a)

growth (from zygote to adult)

b)

maintenance (replacing blood cells)

c)

repair (after injuries)

d)

making gametes (egg and sperm cells)

25.

Crossing over occurs during

a)

Prophase I

b)

Prophase II

c)

Metaphase I

d)

Anaphase II

e)

Telophase II

26.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
27.
A pair of identical chromosomes shown in a karyotype, one inherited from mom, and one inherited from dad are called
a)
sister chromotids
b)
centromeres
c)
homologous chromosomes
d)
autosomes
28.
Which of the following cells is a gamete?
a)
egg
b)
bone
c)
heart
d)
muscle
29.

Within any individual, all of their sperm or egg cells will be

a)

the same

b)

different

30.

How does meiosis contribute to genetic variation?

a)

By producing daughter cells that are genetically identical to the parent cell

b)

By increasing the lethal mutation rate for daughter cells

c)

By producing daughter cells that are genetically unique from the parent cell

d)

By forming new DNA sequences that can resist environmental change

31.

Crossing over refers to which of the following?

a)

Sister Chromatids exchange sections of DNA

b)

Homologous Chromosomes change position at the equator

c)

Non-sister chromatids of homologous chromosomes exchange sections of DNA

d)

Homologous chromosomes separate and travel to opposite ends of cells

32.
Crossing over occurs in which phase ?
a)
metaphase I
b)
anaphaseII
c)
telophaseII
d)
prohase I
33.
What phase is shown here?
a)
Anaphase II
b)
Metaphase I
c)
Anaphase I
d)
Telophase II
34.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
35.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
36.
What kind of cells are made in MEIOSIS?
a)
Haploid cells
b)
Diploid Cells
c)
Skin Cells
d)
Liver Cells
37.

In Metaphase II, _________ line up on equatorial plane.

a)

homologous pairs of chromosomes

b)

single chromosomes (made up of 2 sister chromatids)

c)

tetrads

d)

centrosomes

38.

Which of the following are CORRECT observations about the differences between MITOSIS and MEIOSIS? (Check all that apply.)

a)

Mitosis produces cells that identical to the parent cell.

b)

Meiosis produces cells that have half the number of chromosomes as the parent cell.

c)

All cells go through INTERPHASE as part of the cell cycle, whether it goes to mitosis or meiosis next.

d)

In both types of cell division, the chromosomes are only duplicated once.

e)

Only in Mitosis, do you see chromosomes pair up to form a tetrad.

39.

What stage of meiosis is depicted?

a)

prophase 1

b)

anaphase 1

c)

anaphase 2

d)

telophase 2

40.

Which of the following is an important part of Interphase?

a)

Growth and DNA replication

b)

Chromosomes line up at the equator of the cell

c)

Sister chromatids are pulled to opposite poles of the cell

d)

Cytoplasm divides

41.

What phase of meiosis is this?

a)

prophase 1

b)

Metaphase 2

c)

telophase 2

d)

anaphase 1

42.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
43.
If a somatic (body) cell in a butterfly contains 24 chromosomes, a butterfly egg would contain
a)
3
b)
6
c)
12
d)
24
44.

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

a)

heterozygous

b)

asexual

c)

homologous pairs

d)

genes

45.
Which of the following is NOT a gamete (sex cell)?
a)
egg
b)
sperm
c)
skin cell
d)
all of the above are gametes
46.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
47.
What process, and which type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
48.
What is one of the advantages, why is it better to reproduce sexually versus asexually?
a)
survival of the fittest
b)
overproduction
c)
genetic variation
d)
cloning
49.
Goes through P.M.A.T two rounds 
a)
Mitosis
b)
Meiosis
c)
Osmosis
d)
Transcription
50.
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

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