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Incomplete Dominance & Codominance

Total questions: 10

Worksheet time: 50mins

Name
Class
Date
1.
What type of inheritance do two alleles have if their traits blend together? 
a)
Incomplete Dominance
b)
Co-Dominance
2.

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

a)

Codominance

b)

Incomplete dominance

3.

A calico cat shows both the traits for orange fur and black fur. What kind of allele expression is this?

a)

Incomplete dominance

b)

Codominance

4.

This is an example of ---

a)

Incomplete dominance

b)

Codominance

5.
this image is an example of
a)
codominance
b)
dominance
c)
incomplete dominance
6.

A red flowered plant (RR) is crossed with a white flowered plant (WW). The gene for petal color in these plants expresses incomplete dominance. What percentage of the offspring will have red (RR) flowers?

a)

0%

b)

25%

c)

50%

d)

100%

7.

If one parent has type AB blood and the other parent has type O, what is the percentage chance that they will have a child with type AB blood?

a)

0%

b)

25%

c)

50%

d)

75%

8.

What are the possible genotypes for a person who has the blood group A?

a)

IAIA

b)

IAIi

c)

IAIB

d)

IBIi

9.

Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?

a)

25%

b)

50%

c)

75%

d)

100%

10.

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be black?

a)

25

b)

50

c)

75

d)

100