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Classwork on meiosis

Total questions: 52

Worksheet time: 33mins

Name
Class
Date
1.
Cells that have only one chromosome from each pair
a)
meiosis
b)
haploid
c)
homologous
d)
diploid
2.
The type of reproduction in which the genetic material from two different cells combine
a)
budding
b)
chromosomes
c)
diploid
d)
sexual reproduction
3.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
4.
How many cells are produced during telophase I ?
a)
4
b)
8
c)
2
d)
0
5.
The female sex cell is called
a)
zygote
b)
sperm
c)
fertilization
d)
egg
6.
The male sex cell is called
a)
egg
b)
zygote
c)
sperm
d)
mitosis
7.
Humans have how may chromosomes ?
a)
112
b)
46
c)
8
d)
67
8.
This type of cell has a nucleus.
a)
prokaryotes
b)
eukaryotes
c)
cytoplasm
9.
Crossing over occurs in which phase ?
a)
metaphase I
b)
anaphaseII
c)
telophaseII
d)
prohase I
10.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
11.
The chromosomes that pair up during meiosis, are called __________ chromosomes.  
a)
homozygous 
b)
asexual
c)
homologous
d)
genes
12.
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
13.
Which letter(s) in the diagram correspond to cells that are haploid? 
a)
A
b)
B
c)
C
d)
A and B
14.
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
15.
What causes genetic variation in meiosis?
a)
chromosomes lining up
b)
crossing over of chromosomes
c)
separation of chromosomes
d)
chromosomes pulling apart
16.
Crossing over helps promote 
a)
male genotype
b)
genetic variation
c)
DNA replication
d)
mitosis
17.
Chromosomes exchange genetic material during 
a)
crossing over
b)
replication
c)
synthesis
d)
translation
18.
A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?
a)
23
b)
46
c)
69
d)
92
19.
Diploid Cells are represented by
a)
2n
b)
n
c)
4n
d)
1/2 n
20.
a)

INCREASES GENETIC VARIATION

b)

TAKES PLACE IN PROPHASE I

c)

CROSSING OVER

d)

ALL ARE TRUE

21.

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

22.

MEIOSIS PRODUCES 4 CELLS-THE CHROMOSOME NUMBER IS ...

a)

DIPLOID

b)

HAPLOID

23.

MEIOSIS PRODUCES 4 CELLS, THEY ARE

a)

N

b)

2N

c)

3N

24.

What phase of Meiosis is this?

a)

Telophase I

b)

Anaphase I

c)

Anaphase II

d)

Telophase II

25.

What phase is the picture showing?

a)

Metaphase I

b)

Metaphase II

c)

Prophase II

d)

Anaphase I

26.

How many chromosomes are in an egg or sperm cell at the end of Meiosis?

a)

23

b)

46

c)

64

d)

32

27.

In what phase is the DNA of the cell replicated or copied?

a)

Interphase

b)

Prophase I

c)

Telophase I

d)

Metaphase I

28.

What part of the cell disappears during Prophase and reappears in Telophase?

a)

nuclear membrane

b)

cell membrane

c)

chromosomes

29.

Homologous pairs line up in the middle of the cell in what phase of Meiosis?

a)

Metaphase I

b)

Metaphase II

c)

Mitosis

d)

Prophase II

30.

When chromosomes cross over they form what?

a)

A tetrad

b)

A spindle fiber

c)

A chromatid

31.

What phase of Meiosis is the picture showing?

a)

Metaphase I

b)

Telophase I

c)

Anaphase II

d)

Telophase II

32.

What phase is in the picture?

a)

Telophase I

b)

Telophase II

c)

Prophase I

d)

Metaphase II

33.

What phase is shown in the picture?

a)

Prophase I

b)

Prophase II

c)

Telophase II

d)

Anaphase I

34.

What phase is in the picture?

a)

Anaphase I

b)

Anaphase II

c)

Telophase I

d)

Metaphase II

35.
Identify the phase:
a)
Metaphase I
b)
Metaphase II
c)
Anaphase I
d)
Anaphase II
36.
After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.
a)
78
b)
39
c)
23
d)
46
37.

Is the following cell diploid or haploid?

a)

Diploid

b)

Haploid

38.
Which cellular process is shown?
a)
meiosis
b)
endocytosis
c)
mitosis
d)
phagocytosis
39.
Which statement correctly describes meiosis?
a)
cells divide only once
b)
meiosis does not occur in reproductive cells
c)
the cells produced at the end of meiosis are genetically identical to the parent cell
d)
The cells produced at the end of meiosis contain half the number of chromosomes as the parent cell
40.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
41.
What phase is represented?
a)
metaphase 1
b)
metaphase 2
c)
anaphase 1
d)
anaphase 2
42.
What phases is shown here?
a)
Prophase II
b)
Prophase I
c)
Anaphase II
d)
Interphase I
43.
What phase is shown here?
a)
Metaphase II
b)
Telophase I
c)
Telophase II
d)
Metaphase I
44.
Asexual reproduction and mitosis occur in...
a)
Body Cells
b)
Sex Cells or Gametes
45.
Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...
a)
DNA replicates
b)
DNA splits
c)
DNA forms chromosomes
d)
Chromosomes cross over
46.
In meiosis, Prophase 1 is when chromosomes...
a)
cross over
b)
mutate
c)
hybridize
d)
fertilize
47.
If an intestinal cell in a butterfly contains 24 chromosomes, a butterfly egg would contain ____ chromosomes.
a)
3
b)
6
c)
12
d)
24
48.
Body cells of fruit flies contain 8 chromosomes.  Scientists used studies of flies to discover how egg and sperm are formed. What did they observe?
a)
Body cell of offspring flies have 16 chromosomes.
b)
Sperm cells have 8 chromosomes.
c)
Egg cells have 4 chromosomes.
d)
Body cells of offspring have 4 chromosomes.
49.
How many times in meiosis does the cell divide?
a)
2
b)
4
c)
3
d)
1
50.
Why is meiosis important for sexual reproduction? 
a)
It allows the zygote formed from fertilization to have triple the chromosome number of the organism. 
b)
It allows gametes to have twice the original number of chromosomes of the organism.
c)
It allows gametes to have half the original number of chromosomes of the organism.
d)
It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.
51.
How would the DNA in a horse muscle cell compare with the DNA in a horse sperm cell?
a)
The sperm cell would have twice the DNA as the muscle cell.
b)
The sperm cell would have half as much DNA as the muscle cell.
c)
The sperm cell and muscle cell would contain the same amount of DNA.
d)
The muscle cell would have four times the DNA as the sperm cell.. 
52.
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

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