Complete Dominance Incomplete Dominance Codominance

"The offspring's phenotype has independent and equal expression of both parental phenotypes"

• Incomplete dominance

• Codominance

• Complete dominance

"The offspring's phenotype is an intermediate (blended) phenotype of the two parental phenotypes"

• Incomplete dominance

• Codominance

• Complete dominance

A man with blue eyes and a woman with brown eyes produced a child with brown eyes:

• Incomplete dominance

• Codominance

• Complete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A long-haired female rabbit and a short-haired male rabbit produced this offspring with a medium-length coat:

• Incomplete dominance

• Codominance

• Complete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A pink flower and a white flower produced this offspring:

• Incomplete dominance

• Codominance

• Complete dominance

Tags

NGSS.HS-LS3-1

A black male and white female produced this grey offspring:

• Incomplete dominance

• Codominance

• Complete dominance

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross two speckled flowers.

• 1 red, 2 speckled, 1 blue

• 2 red, 2 blue

• 2 blue, 2 speckled

• 1 red, 1 speckled, 2 blue

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. What percentage of the offspring will be white?

• 25

• 50

• 0

• 100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Codominance occurs in calico cats, which allows for the Black and Tan colors to show. What percentage of the offspring represented in this P square will be calico (black and tan spotted)?

• 25%

• 50%

• 75%

• 100%

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2