Question

A man with blood a Marie's a woman with blood o and the daughter has blood group O. Is the information enough to tell u which of the traits blood group a or I is dominant what or why not

Answer 1

so if that's the case, the man may have both a and i alleles in his gene

so when the i allele of man meets i allele of female the resultant offspring's blood group will be O group.

Answer 2

It is ncert in text question page147 question 3