With the help of given pedigree, find out the probability for the birth of a child having no disease

Question

With the help of given pedigree, find out the probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in $F_3$ generation.

Professor PC Thomas Classes · Answer

(c) : The probability for the birth of a child having no disease and being a carrier (has the disease mutation in one allele of the gene) in $F_3$ generation would be 1/4. This can be illustrated by the given cross: