Which trait or disorder has both an autosomal-dominant form and an autosomal-recessive form?
A)Widow's peak
B)Diabetes mellitus type 2
C)Polycystic kidney disease
D)Taste sensitivity to phenylthiocarbamate (PTC)

Question

Quizplus · Accepted Answer

Widow's peak and taste sensitivity to PTC are inherited only in an autosomal-dominant pattern and are expressed in the homozygous and heterozygous condition. Diabetes type 2 is a complex disorder. Polycystic kidney disease has both an autosomal-dominant form and an autosomal-recessive form (more severe).

Which Trait or Disorder Has Both an Autosomal-Dominant Form and an Autosomal-Recessive