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(a) List the three different allelic for...

(a) List the three different allelic forms of gene 'I' in humans. Explain the different phenotypic expressions, controlled by these three forms.
(b) A woman with blood group 'A marries a man with blood group 'O'. Discuss the possibilities of the inheritance of the blood groups in the following starting with "yes" or "no" for each:
(i) They produce children with blood group "A" only.
(ii) They produce children some with "O" blood group and some with "A" blood group.

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