Dominant and Recessive 2

The trait that will always be expressed if one copy of an allele is present.

• recessive

• dominant

• co-dominant

The trait that will be expressed only if two copies of the allele are present.

• recessive

• dominant

• co-dominant

Select the homozygous dominant genotype

• AA

• Aa

• aA

• aa

Select the homozygous recessive genotype

• AA

• aA

• Aa

• aa

Select the accurate heterozygous genotype

• AA

• Aa

• aA

• aa

Brown eye color is dominant. Blue eye color is recessive. Select the organism that is purebred for brown eyes.

• AA

• aA

• Aa

• aa

Brown eye color is dominant. Blue eye color is recessive. Select the organism that is hybrid for brown eyes.

• AA

• aA

• Aa

• aa

Brown eye color is dominant. Blue eye color is recessive. Select the organism that is purebred for blue eyes.

• AA

• Aa

• aA

• aa

Homozygous dominant

• AA

• Aa

• aA

• aa

Heterozygous

• AA

• Aa

• aA

• aa