When an allele is NOT expressed in heterozygotes, but is only ...

[Kikoku]

When an allele is NOT expressed in heterozygotes, but is only expressed in homozygotes, it is said to be
 
  a. dominant.
  b. codominant.
  c. recessive.
  d. homozygous dominant.
  e. segregated.

Question 2

A person who is homozygous recessive at a locus has
 
  a. two copies of the recessive allele.
  b. two copies of the dominant allele.
  c. an autosomal trisomy.
  d. a recessive allele on the X chromosome only.
  e. a recessive allele on the Y chromosome only.

[ambernicolefink]

Answer to Question 1

C

Answer to Question 2

A

[Kikoku]

Excellent

[bimper21]

YES! Correct, THANKS for helping me on my review