If a Trait Is Inherited in an Autosomal Recessive Fashion

Multiple Choice

If a trait is inherited in an autosomal recessive fashion, which of the following is not true?

A) Both sexes are equally affected.
B) The trait will not occur in offspring if one of the parents is homozygous dominant.
C) About one-fourth of the offspring of two heterozygotes will be affected.
D) The trait often appears in the progeny of unaffected parents.
E) Two affected individuals can have an unaffected child.