An individual who is a carrier of a trait has a. two dominant ...

[yoooooman]

An individual who is a carrier of a trait has
 
  a. two dominant genes, both calling for the presence of the trait.
  b. two recessive genes, both calling for the presence of the trait.
  c. one dominant gene calling for the absence of the trait and one recessive gene calling for the presence of the trait.
  d. one dominant gene calling for the presence of the trait and one recessive gene calling for the absence of the trait.

Question 2

Which disorder is associated with intellectual disability unless the affected individual adheres to a special diet?
 
  a. PKU.
  b. hemophilia.
  c. sickle-cell disease.
  d. Tay-Sachs disease.

[kusterl]

Answer to Question 1

c

Answer to Question 2

a

[yoooooman]

TYSM

[nyrave]

Excellent