Genotype and Phenotype Quiz

Mark is heterozygous. If B is for brown hair, and b is for blonde hair, what is Mark's genotype?

• BB
• bb
• Bb
• bB

Aa, DD, bB, yy are all examples of

• genotypes
• phenotypes

An example of a homozygous dominant gene is

• Dd

• DD

• dd

• DAB

An example of a homozygous recessive gene is

• Dd

• DD

• dd

• DAB

TT is

• heterozygous

• homozygous

Ff is

• heterozygous

• homozygous

Brown eyes are dominant to blue eyes.

Bb gives you what phenotype:

Tags

NGSS.HS-LS3-1

If polydactyly (born with extra toes/fingers) is a dominant trait in cats, then which of the following genotype(s) would produce a cat with extra toes? (Select all that apply.)

• TT

• Tt

• tt

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If the ability to taste PTC paper is dominant to not being able to taste PTC paper, which genotype(s) would result in a person NOT able to taste the paper? (Select all that apply.)

• TT

• Tt

• tt

Tags

NGSS.HS-LS3-2

Dark-colored hair is dominant to light-colored hair. If Eugene has brown hair, which genotype(s) could he have? (Select all that apply.)

• HH

• Hh

• hh

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2