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Meiosis revision

Total questions: 36

Worksheet time: 18mins

Name
Class
Date
1.

Which phase of meiosis does this diagram represent?

a)

Telophase II

b)

Metaphase I

c)

Metaphase II

d)

Anaphase II

2.

Study the karyotype and state what sex this is of?

a)

male

b)

female

3.

A (n)__________________cell that contains a single set of chromosomes is known as a ____________

a)

egg diploid

b)

skin diploid

c)

sperm haploid

d)

sperm diploid

4.

Which of the following events happens during meiosis but not in mitosis that reduces the number of chromosomes?

a)

Crossing-over occurs

b)

DNA Replication occurs once and the cell divides once

c)

DNA Replication occurs once but the cell divides twice

d)

Metaphase occurs

5.

If the diploid number in an animal cell is 52 chromosomes. This cell will have________ chromosomes in its gametes and _________ chromosomes in its somatic cells.

a)

13; 26

b)

26; 52

c)

52; 52

d)

52;104

6.

The figure below illustrates ______________________, that takes place during _________________.

a)

chromosome mutation metaphase I

b)

crossing over prophase 1

c)

independent assortment anaphase I

d)

law of segregation telophase I

7.

The following process happens during which of the following phases?

a)

Mitosis- prophase

b)

Mitosis –metaphase

c)

Meiosis –prophase

d)

Meiosis- metaphase

8.

In the process of Meiosis, genetic diversity is introduced by the random assortment of chromosomes in which stage?

a)

Metaphase II

b)

Prophase II

c)

Metaphase I

d)

Prophase I

9.

Look at the figure to the right. Which of the following correctly identify parts ‘A’ and ‘B’?

a)

Part A is the ‘sister chromatids’. Part B is the ‘chromatin

b)

Part A is the ‘sister chromatids’, Part B is the ‘genes’

c)

Part A is the ‘homologous chromosomes, Part B is the ‘genes’.

d)

Part A is the ‘homologous chromosomes, Part B is the ‘sister chromatids’.

10.

A dog has 78 chromosomes in its diploid form. State the number of chromosomes in its haploid form.

a)

19

b)

39

c)

78

d)

156

11.

Which process is responsible for producing haploid cells?

a)

Asexual reproduction

b)

Fertilization

c)

Meiosis

d)

Mitosis

12.

The figure below shows a cell starting meiosis. How many chromosomes will each cell have at the end of meiosis?

a)

1

b)

2

c)

3

d)

4

13.

A (n)__________________cell that contains a single set of chromosomes is known as a ____________

a)

egg diploid

b)

skin diploid

c)

sperm haploid

d)

sperm diploid

14.
Name this phase of meiosis.
a)
Prophase 1
b)
Metaphase 2
c)
Metaphase 1
d)
Anaphase 1
15.
Name this phase of meiosis. 
a)
Prophase 1
b)
Metaphase 1
c)
Anaphase 2
d)
Telophase 1
16.
Name this phase of meiosis.
a)
Metaphase 2
b)
Prophase 1
c)
Anaphase 1
d)
Metaphase 1
17.
Name this phase of meiosis.
a)
Telophase 2
b)
Prophase 2
c)
Telophase 1
d)
Metaphase 1
18.
Name this phase of meiosis.
a)
Anaphase 2
b)
Telophase 1
c)
Anaphase 1
d)
Prophase 2
19.
Name this phase of meiosis.
a)
Prophase 1
b)
Metaphase 1
c)
Anaphase 2
d)
Prophase 2
20.
Name this phase of meiosis.
a)
Telophase 2
b)
Telophase 1
c)
Metaphase 1
d)
Anaphase 2
21.
Name this process that occurs in Prophase 1 of meiosis.
a)
Replication
b)
Crossing Over
c)
Transcription
d)
Cross keying
22.
type of reproduction of mitosis
a)
sexual
b)
asexual
23.
type of reproduction of meiosis
a)
sexual
b)
asexual
24.
products of mitosis are genetically
a)
different
b)
identical
25.
products of meiosis are genetically
a)
different
b)
identical
26.
number of daughter cells produced in mitosis
a)
2 diploid cells
b)
4 diploid cells
c)
2 haploid cells
d)
4 haploid cells
27.
number of daughter cells produced in meiosis
a)
2 diploid cells
b)
4 diploid cells
c)
2 haploid cells
d)
4 haploid cells
28.
what phase lasts the longest in mitosis and meiosis
a)
interphase
b)
metaphase
c)
telophase
29.
when does crossing over occur in meiosis
a)
prophase 1
b)
prophase 2
30.
Compared to other cells, how much of the genetic material (DNA) does a sex cell have?
a)
the same amount
b)
twice as much
c)
half as much
d)
none
31.
If an organism has 16 chromosomes in its body cells, how many chromosomes would its egg cells have?
a)
32
b)
8
c)
6
d)
12
32.
Crossing-over occurs in ______________.
a)
MItosis
b)
Meiosis I
c)
Meiosis II
33.
T/F:  Crossing over is important because it adds variation to the offspring and contributes to changes within a species.
a)
True
b)
False
34.
a)

INCREASES GENETIC VARIATION

b)

TAKES PLACE IN PROPHASE I

c)

CROSSING OVER

d)

ALL ARE TRUE

35.

CROSSING OVER TAKES PLACE DURING

a)

PROPHASE II

b)

PROPHASE I

c)

INTERPHASE

d)

METAPHASE I

36.

WHAT TYPE OF CELLS STORE THE GENETIC INFORMATION THAT IS PASSED TO OFF-SPRING

a)

BODY CELLS

b)

MITOSIS

c)

EGG

d)

SPERM

e)

EGG AND SPERM

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