Waec Model Questions Vol1 2017 Biology Question 28

Practice objective / multiple choice question 28 from the 2017 Waec Model Questions Vol1 Biology examination.

Waec Model Questions Vol1 2017 Biology Objective / Multiple Choice Medium Difficulty
Question 28 WAEC_MODEL_QUESTIONS_VOL1 • 2017 • BIOLOGY • objective

Both parents are carriers of an autosomal recessive disorder (genotype Aa). What proportion of their children will be affected by the disorder and what proportion will be carriers? Express your answer as percentages.

Answer Options

A. 50% affected, 25% carriers
Correct Answer B. 25% affected, 50% carriers
C. 25% affected, 25% carriers
D. 75% affected, 25% carriers
Correct Answer
B
Correct Option:
25% affected, 50% carriers

About This Question

This is Waec Model Questions Vol1 2017 Biology Question 28. It is one of the objective questions from the 2017 Waec Model Questions Vol1 Biology examination.

Difficulty level: Medium .

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