question_answer

In the pedigree shown, individuals with the solid symbols suffer from a genetic disease caused by a recessive allele at an autosomal locus. You would counsel the couple marked A and B that the probability that each of their children will have the disease is:

A)  \[0%\]              

B)  \[25%~~\]        

C)  \[50%~\]         

D)  \[75%\]