BiologyHeredity and variationWAEC
A man of blood group AB marries a woman of blood group O. What blood groups can their children have?
Show answer
Answer: D. A or B
The father gives A or B and the mother O, so children are AO (group A) or BO (group B).
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.