WAEC Biology 2021 Objective — Question 47

Question 47 of 50 from the West African Examinations Council (WAEC) Biology 2021 Objective paper, with the correct answer and a full explanation.

47. 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.Correct
C. her children may all resemble her husband.
D. it may affect her childbearing ability.

Explanation

Rhesus incompatibility between an Rh-negative mother and Rh-positive father can cause the mother's immune system to attack the blood cells of an Rh-positive baby, risking serious illness or death of the offspring.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Biology 2021 Objective More Biology past papers