Biology for IGCSE & O level - Inheritance (Section 9 - No. 20) | ExamPlay

Biology for IGCSE & O level - Inheritance (Section 9 - No. 20)

What are the possible genotypes for a person with blood type O?

IAIA

IBIB

ii

IAIB

Explanation

A person with blood type O has two recessive alleles which in this case are ii.

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