Which Is an Important Criterion for Discerning Autosomal Recessive Inheritance

Multiple Choice

Which is an important criterion for discerning autosomal recessive inheritance?

A) Consanguinity is sometimes present.
B) Females are affected more than males.
C) The disease is observed in both the parents, as well as in the siblings.
D) On average, one half of the offspring of the carrier will be affected.