Answer to Question #166778 in Genetics for Сул

Question

In the family, where the wife had the II blood group and her husband had the III blood group, there was born the son with color blindness and the I blood group. Both parents differed colures in norm. Determine the probability of the birth of healthy son and his possible variants of blood groups. It is known that color blindness is X-linked recessive disorder.

Answer 1

The heterozygous wife with II blood group and the heterozygous husband with III blood group, 25% of children can have I blood group, 25% — II blood group, 25% — III blood group, 25% — IV blood group