question_answer

Which of the following is true for a recessive disease in family A and B?

A)  In family A, both the parents are homo- zygous recessive.

B)  In family B, both the parents are homo-zygous dominant.

C)  In family B, both the parents are heter-ozygous recessive.

D)  In family A, both the parents are hetero-zygous recessive.