NEET 2026 Biology question

For a person with blood group 'O', which of the following is **not** a possible combination of parents' blood group genotypes?

(1)Father : and Mother :
(2)Father : and Mother :
(3)Father : and Mother :
(4)Father : and Mother : Correct

Answer: (4)

Solution

Blood group O has genotype ii, so each parent must pass on an i allele. In (1), (2) and (3) both parents carry one i allele, so an ii child is possible

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-105155