7.2 Complex Inheritance Patterns

more than two alleles for a trait

• sex-linked

• multiple alleles

• codominance

• incomplete dominance

when two dominant alleles blend forming an intermediate (mixture or blended) phenotype

• sex-linked

• multiple alleles

• codominance

• incomplete dominance

traits on the X chromosome that are often more common in males

• sex-linked

• multiple alleles

• polygenic inheritance

• incomplete dominance

more than one gene determines a trait

• sex-linked

• multiple alleles

• codominance

• polygenic inheritance

when two dominant alleles are expressed equally or fully

• sex-linked

• multiple alleles

• codominance

• polygenic inheritance

• incomplete dominance

What complex pattern of inheritance is shown?

• incomplete dominance

• codominance

• multiple alleles

• epistasis

What complex pattern of incomplete dominance is shown?

• Codominance

• Incomplete dominance

• Multiple alleles

• sex-linked traits

Skin color is an example of which pattern of inheritance?

• codominance

• multiple alleles

• sex-linked traits

• polygenic traits

What pattern occurs when one gene affects another gene?

• codominance

• epistasis

• sex-linked traits

• polygenic traits

Which of the following is an example of multiple alleles?

• color blindness

• albinism

• blood typing

• speckled chickens