wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Heredity & Genetics

Total questions: 10

Worksheet time: 2mins

Name
Class
Date
1.

Which of the following is true about the genotype of the mouse shown?

a)

A. The mouse must be FF

b)

B. The mouse could be FF or Ff

c)

C. The mouse could be ff or Ff

d)

D. The mouse must be ff.

2.

Two black-fur mice are bred, and have the litter shown below. What is the most likely explanation for the presence of the white-fur offspring?

a)

A. One of the parents is heterozygous

b)

B. Both of the parents are heterozygous

c)

C. A mutation occurred.

d)

D. The parents' fur color has no influence on the offspring fur color.

3.

Two mice with white fur are bred. What will be true of the offspring?

a)

A. All of the offspring will be white.

b)

B. Three-quarters of the offspring will be white.

c)

C. One-half of the offspring will be white.

d)

D. There is not enough information given to solve the problem.

4.

Which of the following is a possible litter (group of babies) born to two heterozygous black mouse parents?

a)

A. Three black offspring and two white offspring

b)

B. Five black offspring

c)

C. Four white offspring and one black offspring

d)

D. All of the above

5.

Is it possible for two black mice to have a white baby mouse?

a)

No, Never, It cant happen

b)

Yes, if they are pure black some of their kids might be white

c)

No, because black mice can't have babies

d)

Yes, if they are both heterozygous and carry the gene for white fur some of their kids might be white

6.

Which of the following is a Heterozygous Genotype?

a)

FF

b)

ff

c)

Ff

7.

Which of the following is a Homozygous Genotype? (Select ALL that are)

a)

FF

b)

ff

c)

Ff

8.

What do we call the trait that overpowers other traits

a)

Dominant Trait

b)

Recessive Trait

c)

Hybrid Trait

d)

Homozygous Trait

9.

What do we call a trait that is rare and easily overpowered by a dominant trait

a)

Dominant Trait

b)

Recessive Trait

c)

Hybrid Trait

d)

Homozygous Trait

10.

What do we use to show recessive alleles

a)

Uppercase letters (FF)

b)

Lowercase letters (ff)

c)

A mix of upper and lowercase letters (Ff)

d)

The symbol for pi