Complex Patterns of Inheritance

What is incomplete dominance?

• When one allele is completely dominant over the other

• When both alleles are expressed together

• When neither allele is completely dominant

• When multiple alleles control a trait

What color is the offspring of a green betta fish and a steel blue betta fish?

• Green

• Steel blue

• Royal blue

• Yellow

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What is an example of incomplete dominance in plants?

• Four o'clock flower

• Corn color

• Bunny coat color

• Human blood type

What happens in codominance?

• One allele is completely dominant over the other

• Both alleles are expressed together

• Multiple alleles control a trait

• Traits are determined by many genes

What color is the corn when a yellow corn allele is paired with a black corn allele?

• Yellow

• Black

• Pink

• Yellow and black

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What is an example of multiple alleles in humans?

• Eye color

• Skin color

• Height

• Blood type

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What blood type can you have if you have one allele that is A and one allele that is B?

• Blood type A

• Blood type B

• Blood type AB

• Blood type O

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What is a polygenic trait?

• A trait controlled by multiple genes

• A trait with incomplete dominance

• A trait with codominance

• A trait with multiple alleles

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What determines the range of skin colors in humans?

• One gene

• Two genes

• Multiple genes

• Multiple alleles

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What determines the color of a bunny's coat?

• One gene

• Two genes

• Multiple genes

• Multiple alleles

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