A woman with Rhesus negative blood group was advised not to marry a man with Rhesus positive blood group because

A.

it will hinder her from having blood transfusion from her husband

B.

it will result in sickness and probably death of the offspring

C.

her children may all resemble her husband

D.

it may affect her childbearing ability

Correct answer is B

No explanation has been provided for this answer.