Genetics Dominance Types

Which of the following is an example of complete dominance?

• A green guinea pig and a white guinea pig mate. They have only green offspring.

• A blue flower and a white flower cross. Their offspring has white petals with blue dots.

• A yellow octopus mates with a blue octopus and their offspring are green.

Tags

Genetics

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.

A squirrel is heterozygous for brown fur color. What could its genotype be?

• BB

• Bb

• bb

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A homozygous turtle with spikes mates with a heterozygous turtle without spikes. Which trait is the dominant one?

• spikes

• no spikes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

A salamander is homozygous recessive for having heart shaped toes. Which of the following could be its genotype?

• Tt

• TT

• tt

Tags

NGSS.HS-LS3-2