Question

Could a woman with O- blood type be the mother of an AB- child? explain your answer.​

Answer 1

child cannot be explained in terms of the usual inheritance pat- terns. 3 One would not expect the cord blood result to be AB when the mother is type O; however, in very rare instances, such as the cis-AB blood type, it is possible. Typically, an O mother would produce either an A, B, or an O infant