Free Printable Incomplete & Co-Dominance!

Worksheets

Incomplete & Co-Dominance!

Total questions: 12

Worksheet time: 53mins

Name

Class

Date

This type of inheritance pattern is a MIXTURE of both traits.

incomplete dominance

co-dominance

Mendelian dominance

complete dominance

Incomplete dominance or co-dominance?
A calico cat shows both the traits for orange fur and black fur.

Incomplete Dominance

Co-dominance

Complete dominance

Mendelian dominance

A roan cow shows co-dominance in fur color (orange & white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

4: Orange and White

1: Orange : 1 White

2 Orange: 2 Orange and White: 0 White

1: Orange: 2 Orange and White: 1 White

A breed of chicken shows incomplete dominance for feather color. One dominant allele codes for black feathers, another dominant allele codes for white feathers. The feathers of heterozygous chickens of this breed will be....

all black

all white

all gray

speckled black and white

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

I^AI^A

I^AIⁱ

I^AI^B

I^BIⁱ

This is an example of ___________?

Incomplete dominance

Co-dominance

Mendelian dominance

Complete dominance

Normal red blood cells (rbc's) are bi-concave disks; sickle cells are abnormal. An individual can have both normal and sickle cells. What type of trait describes rbc shape?

Incomplete dominance

Co-dominance

Mendelian dominance

Complete dominance

If Tom has the genotype I^AI^B and Angela has the genotype I^BIⁱ, what are the possible phenotypes of their children?

Group A, Group B, Group AB only

Group A, Group B, Group AB, and Group O

Group A and Group AB only

Group A and Group B only

This type of dominance is ........................... because the heterozygote shows a phenotype that is .............................. .

co-dominance, blended

co-dominance, equal

incomplete dominance, blended

incomplete dominance, equal

10.

A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father?

Yes

Maybe

11.

Ged is blood type A and Linda is blood type B. How can they have children who are types AB, and O?

Alleles A and B are co-dominant, but allele O is recessive

Alleles A and B are incompletely dominant, but allele O is recessive

Alleles A and B are co-dominant, but allele O is completely dominant

Alleles A and B are incompletely dominant, but allele O is completely dominant

12.

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?

25%

50%

75%

Reset

Incomplete & Co-Dominance!

Total questions: 12

Worksheet time: 53mins

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