abbeyah17 abbeyah17

13-01-2021
Biology

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What is the probability of a child being a daughter with blood group O if the parents are both heterozygotes with blood group A?

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abbeybackup abbeybackup

13-01-2021

Answer:

0.125

Explanation:

The probability of having a daughter is 50%.

The genotype of both parents is AO. The chance of having a child with an OO genotype is therefore 0.25

The probability of having a daughter who has the OO genotype and therefore blood group O is thus 0.5 × 0.25 = 0.125.

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