The Principle of Incomplete Dominance Is Illustrated by Which of the Following

Multiple Choice

The principle of incomplete dominance is illustrated by which of the following facts?

A) The effects of PKU can be prevented through dietary adjustments.
B) Huntington's chorea does not emerge until early adulthood.
C) Even people who carry only one recessive gene for sickle-cell anemia show some characteristics of the condition.
D) Severe disorders caused by dominant autosomal genes are far less common that those transmitted by recessive genes.