Non Mendelian Genetics

A roan cow shows co-dominance in fur color (orange & white). What is the phenotype ratio expected if a roan cow and a roan steer mate together?

• 4: Orange and White

• 1: Orange : 1 White

• 2 Orange: 2 Orange and White: 0 White

• 1: Orange: 2 Orange and White: 1 White

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

A breed of chicken shows incomplete dominance for feather color. One dominant allele codes for black feathers, another dominant allele codes for white feathers. The feathers of heterozygous chickens of this breed will be....

• all black

• all white

• all gray

• speckled black and white

Tags

NGSS.HS-LS3-1

A man with type O blood is accused of being the father of a type B baby. The mother is type A. Could this man be the father?

• Yes

• No

• Maybe

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NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which term(s) best describes the inheritance of human blood types?

• incomplete dominance and multiple alleles

• codominance and epistasis

• codominance and multiple alleles

• incomplete dominance and codominance

When red cows are crossed with white cow, the offspring have a mix of red hair and white hair. These cows are called roan. This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Human eye color is controlled by three different genes, and affected by a dozen more. This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

When red snapdragons are crossed with white snapdragons, the offspring produce pink flowers. This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The gene for human blood type has three alleles, A, B and O. This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

This flower is produced by crossing a pink-flowering plant and a white-flowering plant. This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

If a dark brown horse and a white horse are bred, the offspring are palomino (tan). This is an example of:

• complete dominance

• incomplete dominance

• codominance

• polygenic inheritance

• multiple alleles

Tags

NGSS.HS-LS3-1