Which of the following is the best example of the expressivity of genes?

A) Michelle and Michael are twins and they exhibit similar behaviors.
B) Manuel's tendency to be emotional is determined by recessive genes he received from both his parents.
C) Clara's blood type is AB because her mother was heterozygous for type B and her father was heterozygous for type A.
D) Linda received a dominant gene for freckles from her father, but Linda's freckles are smaller, lighter, and more widely scattered than those of her father.

D

Psychology

You might also like to view...

Risk behaviors are most common in emerging adulthood when social control tends to be the lowest

a. true b. false

Psychology

What will activities that encourage gross motor skills such as running, jumping, and catching

for preschoolers help preschoolers to do? a. Practice and improve their abilities b. Feel more confident as new coordination abilities emerge c. Improve on balance d. All of the above

Psychology