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C10 - Types of variation - Y12

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

What type of variation is the size and shape of ear lobes?

a)

Environmental

b)

Inherited

c)

Both

2.

What type of variation is tongue rolling?

a)

Environmental

b)

Inherited

c)

Both

3.

What type of variation is language spoken?

a)

Environmental

b)

Inherited

c)

Both

4.

What type of variation are scars?

a)

Environmental

b)

Inherited

c)

Both

5.

What type of variation is height?

a)

Environmental

b)

Inherited

c)

Both

6.

What type of variation is natural hair colour?

a)

Environmental

b)

Inherited

c)

Both

7.

What type of variation is weight?

a)

Environmental

b)

Inherited

c)

Both

8.

What type of variation is colour blindness?

a)

Environmental

b)

Inherited

c)

Both

9.

What type of variation is disease?

a)

Environmental

b)

Inherited

c)

Both

10.

What type of variation are tattoos?

a)

Environmental

b)

Inherited

c)

Both

11.

What type of variation is religion?

a)

Environmental

b)

Inherited

c)

Both

12.

Any change in the sequence of DNA is a

a)

recombination

b)

mutation

c)

chromatin

d)

independent assortment

13.
Differences that exist naturally among members of a population or species___?
a)
mutation
b)
adaptation
c)
variations
d)
evolution
14.
Almost all populations have some variation.
a)
true
b)
false
15.

Differences in DNA as a result of environmental factors

a)

Environmental Variation

b)

Genetic Variation

c)

Adaptive Feature

d)

Genetic Engineering

16.

Differences in DNA between individuals or populations

a)

Environmental Variation

b)

Genetic Variation

c)

Adaptive Feature

d)

Genetic Engineering

17.
Which one of the following is an environmental variation?
a)
Attached ear lobes
b)
Eye colour
c)
Male or female
d)
Short hair
18.
Which of these is an example of inherited variation only?
a)
Eye colour 
b)
Height 
c)
Weight 
d)
Skin colour 
19.

Which process is shown in the image?

a)

crossing over

b)

independent assortment

c)

segregation

d)

mutation

20.

The exchange of pieces of chromatin between homologous chromosomes during Prophase I of meiosis is called

a)

independent assortment

b)

mutation

c)

crossing over

d)

random fertilization

21.

This law describes how each homologous pair separates independently of any other pairs during Anaphase I of meiosis

a)

Law of Segregation

b)

Law of Independent Assortment

c)

Law of Gravity

d)

Law of Mathematical Order

22.
Crossing over is important because....
a)
It prevents mutations from entering the gametes. 
b)
It allows for even distribution of chromosomes in the gametes.
c)
It allows for more genetic diversity of gametes.
d)
It allows for genetic uniformity of gametes. 
23.

Which source of genetic variation is NOT a result of sexual reproduction?

a)

Crossing over

b)

Independent assortment (due to random orientation

c)

Gene mutation

d)

Random fertilization