Solve this pedigree please..............................................
Syed suha , 6 Years ago
Grade 12
1 Answers
Simran Vinaik
Last Activity: 6 Years ago
Since it is autosomal recessive trait so both parents have to be heterozygous in order to have diseased progeny. In II generation their SON is affected. This is only possible if both parents have one recessive allele i.e. Aa and Aa.