WAEC Biology 2018 Theory — Question 11

Question 11 of 19 from the West African Examinations Council (WAEC) Biology 2018 Theory paper, with the correct answer and a full explanation.

3.(e) Give the possible genotypes in humans for the ABO blood group / general genotype example.

Model answer

Possible genotypes include combinations such as AA, AS and SS (illustrating dominant/recessive allele combinations).

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