Question

if a son is hemophilic,form where has he got the defective gene,father or Mather​

Answer 1

Answer:

mother

Explanation:

daughter have defective gene from father and son from mother.

thanks!

Answer 2

He must get the defective gene from his mother because it's an autosomal recessive disease. Mother is a carrier and there are 50% for a Male as well as for female child to get the defective gene. but when father is affected he can only transfer his defective to his daughter not to the son.