Genetics and Punnett Squares

What is a trait that is expressed over another trait?

• recessive

• dominant

• allele

• gene

Having two of the same alleles for a trait

• homozygous

• heterozygous

• dominant

• phenotype

Which of these genotypes is a homozygous dominant genotype?

• Bb

• bb

• BB

• ba

What is a trait that can be hidden by another trait?

• dominant

• recessive

• heterozygous

• codominance

Having two different alleles for a trait

• homozygous

• heterozygous

• true-breeding

• purebred

What is a person who has one recessive gene for a recessive genetic disease and will not display symptoms of the disease?

• Hybrid

• True-breeding

• Incomplete dominance

• Carrier

Which of these is an example of a carrier genotype?

• AA

• aa

• Aa

Which type of genetics has alleles that DO NOT have COMPLETE dominance so the resulting traits is a MIX of two alternate traits?

• complete dominance

• codominance

• incomplete dominance

• multiple alleles

Which type of genetics has alleles that are EQUALLY dominant so that BOTH traits are expressed?

• codominance

• complete dominance

• incomplete dominance

• multiple alleles

A woman with heterozygous type B blood marries a. man with type O blood. Which TWO of the following blood types could their children have?

• A

• B

• AB

• O