Types of Dominance

Which of the following is an example of INCOMPLETE dominance?

• A red flower crosses with a white flower. The offspring are all red.

• A red flower crosses with a white flower. Their offspring are white with red spots.

• A red flower crosses with a white flower. Their offspring are pink.

Which of the following is an example of CODOMINANCE?

• A purple snail mates with a white snail and all their offspring are white.

• A purple snail mates with a white snail and all their offspring are purple with white stripes.

• A purple snail mates with a white snail and all their offspring are light purple.

What type of dominance is in this picture?

• Co dominnace

• Incomplete dominance

• dominant

What type of dominance is this picture?

• incomplete dominance

• co dominance

• dominant

Study this picture. What type of dominance is this?

• co- dominqnce

• incomplete dominance

• dominant

Study this picture. What type of dominance is this?

• incomplete dominance

• dominant

• co- dominant

Tags

NGSS.HS-LS3-2

traits that are only expressed if both alleles are present. ______ traits are “hidden,” meaning that they hide when a dominant allele is present.

• recessive

• dominant

• incomplete

• co dominant

Which of the following is an example of complete dominance?

• A red flower crosses with a white flower. The offspring are all red.

• A red flower crosses with a white flower. Their offspring are pink.

• A red flower crosses with a white flower. Their offspring are red with white spots.

• A red flower crosses with a white flower. Their offspring are white.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

In a case of codominance, what would be the expected phenotype of offspring from a cross between a black chicken and a white chicken?

• All black offspring

• All white offspring

• Offspring with black and white feathers

• Offspring with gray feathers

Tags

NGSS.HS-LS3-1

Which of the following best describes incomplete dominance?

• Both alleles are fully expressed in the phenotype.

• One allele is not completely dominant over the other, resulting in a blended phenotype.

• One allele completely masks the other.

• Neither allele is expressed in the phenotype.