Consider the following pedigree of a rare autosomal recessive disease.Assume all people marrying into the pedigree do not carry the abnormal allele.
a)If individuals A and B have a child,what is the probability that the child will have the disease?
b)If individuals C and D have a child,what is the probability that the child will have the disease?
c)If the first child of C * D is normal,what is the probability that their second child will have the disease?
d)If the first child of C * D has the disease,what is the probability that their second child will have the disease?

Question

Consider the following pedigree of a rare autosomal recessive disease.Assume all people marrying into the pedigree do not carry the abnormal allele.  
a)If individuals A and B have a child,what is the probability that the child will have the disease?
b)If individuals C and D have a child,what is the probability that the child will have the disease?
c)If the first child of C * D is normal,what is the probability that their second child will have the disease?
d)If the first child of C * D has the disease,what is the probability that their second child will have the disease?

Quizplus · Accepted Answer

The Answer of Consider the following pedigree of a rare autosomal recessive disease.Assume all people marrying into the pedigree do not carry the abnormal allele.  
a)If individuals A and B have a child,what is the probability that the child will have the disease?
b)If individuals C and D have a child,what is the probability that the child will have the disease?
c)If the first child of C * D is normal,what is the probability that their second child will have the disease?
d)If the first child of C * D has the disease,what is the probability that their second child will have the disease?

Consider the Following Pedigree of a Rare Autosomal Recessive Disease