RE-NEET2026Botany-Human Genetics
RE-NEET 2026 Botany Blood Groups MCQ Question
Type: MCQ-conceptual-Hard-Class 12
For a person with blood group ‘O’, which of the following is not a possible combination of parents’ blood group genotypes?
A
Father: Iᴬi and Mother: Iᴬi
B
Father: Iᴮi and Mother: Iᴮi
C
Father: Iᴬᴮ and Mother: Iᴬi
D
Father: Iᴬi and Mother: Iᴮi
Correct Answer
Option C
Detailed Explanation
A person with blood group ‘O’ must have parents with at least one ‘i’ allele each, which is not possible if one parent is Iᴬᴮ.
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