Post Assessment- Codominance in Genetics

What is codominance in genetics?

• A condition where one allele is completely dominant over another

• A condition where both alleles are fully expressed in the phenotype of a heterozygous organism

• A condition where neither allele is expressed in the offspring

• A condition where one allele blends with another to form an intermediate phenotype

Which of the following blood types is a classic example of codominance in humans?

• Type O

• Type A

• Type AB

• Type B

In codominance, what happens to the two alleles in a heterozygous individual?

• One allele is suppressed by the other

• Both alleles are expressed simultaneously and distinctly

• The alleles blend together to form a new trait

• Only the recessive allele is expressed

• Incomplete dominance

• Simple dominance

• Codominance

• Epistasis

Which of the following is NOT an example of codominance?

• Roan coat color in horses

• AB blood type in humans

• Pink flowers produced by crossing red and white snapdragons

• Speckled feathers in certain chicken breeds

• All black feathers

• All white feathers

• All pink feathers

• Feathers with both black and white patches