ANSWERS 1 (52 Marks)

(c) If 2nd generation–3 marries a man with blood group AB, predict the possible genotypes of the children. (3) IA IA / AA; (1) IA IB / AB; (1) IA IO and IB IO / AO and BO (1) / IA i and IB i; Award marks for correct answers then deduct [1] for each incorrect genotype, eg including genotypes with only one allele. Minimum mark [0]. ................
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