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Non-Mendel Genetics

Total questions: 6

Worksheet time: 18mins

Name
Class
Date
1.

Epistasis is the interaction between_____________ genes.

a)

2

b)

4

c)

3

d)

16

2.

Which best describes epistasis?

a)

An allele that changes the genotype of another allele

b)

A gene that changes the genotype of another gene

c)

An allele that controls or masks the expression of another allele

d)

A gene that controls or masks the expression of another gene

3.

Labrador retriever's fur color is an example of epistasis. In this case the E gene controls the expression of the B gene. It a puppy was born with the genotype eeBB its fur color would be ________ and if it was born with the genotype EEbb it would be __________

a)

yellow, yellow

b)

yellow, black

c)

chocolate, black

d)

yellow, chocolate

4.

When one allele is not dominant over another, resulting in a blended phenotype for heterozygous offspring is considered....

a)

Incomplete Dominance

b)

Codominance

5.

When one allele is not dominant over the other, resulting in both traits expressed in a heterozygous individual.....

a)

Incomplete Dominance

b)

Codominance

6.

In cattle red coats are represented as RR, and white coats are represented as WW.


What is the genotype for Roan color?

a)

RR

b)

RW

c)

WW