question_answer

A man with blood group A marries a woman with blood group B. What are all the possible blood groups of their offsprings?

A) A and B                

B) A, B and AB                        

C) A, B, AB and O    

D)         Only O

Correct Answer: C

Solution :

Blood group of parents A and B will have off springs of A, B, AB and 0 blood groups. The alleles of both the parents of A and B blood groups will form gametes with given alleles as shown in table below,                                      This table gives the probable possibilities of blood groups by random fusion of gametes in an offspring born to parents of blood groups A and B.