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WorksheetsBio.3.2.1 Explain the role of meiosis in sexual reproduction
Total questions: 14
Worksheet time: 14mins
Name
Class
Date
1.
The process of changing chromosome number from 2n to 1n is known as:
a)
Fission
b)
Fussion
c)
Mitosis
d)
Meiosis
2.
Which process and type of resulting cells are represented?
a)
mitosis, gametes
b)
mitosis, body cells
c)
meiosis, gametes
d)
meiosis, body cells
3.
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
4.
Sexual reproduction allows for
a)
cloning
b)
budding
c)
genetic stability
d)
genetic variation
5.
Which process is most directly involved in the production of egg cells by a female horse?
a)
Metamorphosis
b)
Meiosis
c)
Regneration
d)
Cleavage
6.
What is an advantage of sexual reproduction?
a)
Allows genetic variation (a mixed population)
b)
Only needs one parent
c)
Happens very quickly
d)
Offspring are exact copies of parent
7.
A human has 46 chromosomes in their body cells. What is the haploid number in their sex cells?
a)
46
b)
92
c)
23
d)
12
8.
If cells produced as a result of meiosis each contain 16 chromosomes, how many chromosomes would be present after fertilization?
a)
8
b)
16
c)
32
d)
24
9.
Why do offspring have different characteristics than their parents?
a)
Metamorphis
b)
Mitosis
c)
Meiosis
d)
Maternity
10.
A Goat has 20 chromosomes in its sperm cells. What is the number of chromosomes in its skin cells?
a)
40
b)
30
c)
10
d)
60
11.
A dog has 24 chromosomes in its sperm cells. How many chromosomes in its stomach cells?
a)
48
b)
12
c)
46
d)
72
12.
Gametes have haploid or diploid number of chromosomes?
a)
Haploid
b)
Diploid
13.
If an organism has a diploid (2n) number of 6, what is its haploid (n) number?
a)
2
b)
3
c)
6
d)
12
14.
How do gametes differ from somatic (body) cells?
a)
They have half the number of chromosomes
b)
They have double the number of chromosomes
c)
they have a quarter of the number of chromomsomes
d)
They do not differ
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