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Introduction to Dominant and Recessive Genes

Total questions: 9

Worksheet time: 5mins

Name
Class
Date
1.

Heredity is....

a)

he passing of traits from parent to offspring

b)

What I get from grandpa when he goes back to King Kai

c)

A hidden trait

d)

The strongest trait

2.

A dominant trait is....

a)

A trait that always comes out

b)

A trait that is always hidden

c)

An angry gene

d)

A weak gene

3.

Gerry and his wife both have blue eyes, which is a recessive trait. Which is true about their baby?

a)

He's adopted

b)

The baby will not inherit their traits

c)

The baby will be blue eyed

d)

The baby will have brown hair

4.

A flower garden has 300 flowers, and 250 of them are purple flowers, and the other 50 are white flowers. Which of the following is true?

a)

He doesn't have enough pollen spreaders

b)

The purple flowers are dominant

c)

The white flowers will eventually overpower the purple

d)

He is using a soil that helps boost his plant growth rate

5.

genetics is the study of

a)

animal genes

b)

how blue-eyed babies are born

c)

family characteristics

d)

how traits are passed on

6.

True or false: A recessive trait is a trait that comes out very often in large families

a)

True

b)

False

7.

When your genes are expressed physically (how you look) we call that your:

a)

Phenotype

b)

Recessive Trait

c)

Genetics

d)

Genotype

8.

Select the recessive traits:

a)

Brown Hair

b)

Brown Eyes

c)

Blue Eyes

d)

Dimples

9.

he Italian monk/scientist who first showed

the principles of genetics

a)

Watson and Crick

b)

Darwin

c)

Linnaeus

d)

Mendel