H.W-Complex Patterns of Inheritance

A trait that is controlled by more than one gene is called

• Polygenic Inheritance

• Multiple alleles

• Incomplete dominance

• Codominance

A cross that results in a trait which shows both parental phenotypes is called _____.

• Polygenic Inheritance

• Multiple alleles

• Incomplete dominance

• Codominance

A trait that has more than two alleles available per gene is called _________.

• Polygenic Inheritance

• Multiple alleles

• Incomplete dominance

• Codominance

A woman with type B blood has two brothers with type O blood and one sister with type A blood. What are their parents’ genotypes? Use a Punnett square to show your work.

• I^Ai x I^Bi

• I^AI^A x I^BI^B

• I^AI^A x ii

• I^BI^B x ii

Which type of inheritance patterns does blood type demonstrate?

• multiple alleles and incomplete dominance

• polygenetic inheritance and incomplete dominance

• polygenetic inheritance and codominance

• multiple alleles and codominance

Snapdragons can be pink, white, or red. Which type of inheritance do snapdragons demonstrate for color?

• codominance

• incomplete dominance

• multiple alleles

• polygenetic inheritance

Chickens can be checkered (black & white), black, or white. Which type of inheritance do chickens demonstrate for feather color?

• codominance

• incomplete dominance

• polygenetic inheritance

• multiple alleles

Chickens can be checkered (black and white), black, or white. What are the chances of two black chickens having white offspring?

• 0%

• 25%

• 50%

• 75%

What is the mode of inheritance in this pedigree?

• Autosomal Dominant

• Autosomal Recessive

• Sex-Linked Recessive

• Sex-Linked Dominant

If hemophilia is a sex-linked recessive trait, what genotype would individual III-3 have?

• X^bX
• X^bX^b
• X^bY^b
• X^bY