Cystic Fibrosis Is Autosomal Recessive.This Means That

Multiple Choice

Cystic fibrosis is autosomal recessive.This means that

A) both sexes can be affected and affected individuals and carriers pass the mutation.
B) carrier mothers pass the mutation to some of their sons, but not to their daughters.
C) each affected individual has at least one affected parent.
D) both sexes are affected because new mutations occur frequently.
E) in any particular family, only one sex can be affected.