A man with blood group A marries a woman with blood group O and their daughter has blood group O . I

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8. Heredity

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A man with blood group A marries a woman with blood group $O$ and their daughter has blood group $O$. Is this information enough to tell you which of the traits -blood group $A$ or $O$ -is dominant? Why or why not ?

Option A

Option B

Option C

Option D

Solution

No. This information is not sufficient to determine which of the traits -blood group $A$ or $O$ -is dominant. This is because we do not know about the blood group of all the progeny.

Blood group $A$ can be genotypically $AA$ or $AO$. Hence, the information is incomplete to draw any such conclusion.

Standard 10

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A man with blood group A marries a woman with blood group $O$ and their daughter has blood group $O$. Is this information enough to tell you which of the traits -blood group $A$ or $O$ -is dominant? Why or why not ?

Solution

Similar Questions

In evolutionary terms, we have more in common with

If a trait $A$ exists in $10\%$ of a population of an asexually reproducing species and a trait $B$ exists in $60\%$ of the same population, which trait is likely to have arisen earlier ?

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