wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

B5 - Genes and variation

Total questions: 21

Worksheet time: 12mins

Name
Class
Date
1.

What do you call a small section of DNA?

a)

Chromosome

b)

Gene

c)

Nucleus

d)

Base pairs

2.

What joins the two strands of DNA together?

(a)  

3.

What does the order of DNA bases determine?

(a)  

4.

What is the term used to describe different versions of the same gene?

a)

Allele

b)

Gene

c)

Chromosome

d)

Bases

5.

Tick the 2 variations that would be caused by having different alleles

a)

different eye colour

b)

different hair colour

c)

different piercings

d)

different scars

6.

Variation in a population is caused by having different (a)  

7.

Where is DNA found in a cell?

(a)  

8.

Humans having different eye colors is an example of ............

a)

evolution

b)

variation

c)

transpiration

9.

Blood type is an example of..........

a)

Inherited characteristic

b)

Environmental characteristic

10.

Height is an example of..........

a)

Inherited characteristic

b)

Environmental characteristic

c)

Both

11.

Weight is an example of..........

a)

Inherited characteristic

b)

Environmental characteristic

c)

Both

12.

Natural eye colour is an example of..........

a)

Inherited characteristic

b)

Environmental characteristic

c)

Both

13.

Natural hair colour is an example of..........

a)

Inherited characteristic

b)

Environmental characteristic

c)

Both

14.

The types of characteristics in human are

a)

Environmental only

b)

Inherited only

c)

Both environmental and inherited

15.

What is being described? A characteristic that is passed on to you from your parents.

a)

Inherited characteristic

b)

Environmental characteristic

16.

What is being described? A characteristic that is linked to the environment around you.

a)

Inherited characteristic

b)

Environmental characteristic

17.

How do you inherit characteristics from your parents?

(a)  

18.

How many different bases are there in DNA?

a)

1

b)

2

c)

3

d)

4

19.

Humans look different because they have different (a)  

20.

Which characteristic can only be passed down by genes only?

a)

height

b)

weight

c)

blood type

21.

What is your first and last name?

4 lines