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A Man Having Blood Group O Marries a Woman Having Blood Group B and They Have a Daughter. What Will Be the Blood Group of the Daughter? - CBSE Class 10 - Science

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Question

A man having blood group O marries a woman having blood group B and they have a daughter. What will be the blood group of the daughter?

 

Solution

The answer to this question depends on whether the blood group B of the woman has gene combinationIBIB or IBIO.
In the first case (i.e., when the blood group B has genotype IBIB), the daughter will have blood group B. This is because here the gene IB is dominant over gene IO.
In the second case (i.e., when the blood group B has genotype IBIO), there stands an equal chance for the genotype of the daughter's blood to be either IBIO or IOIO. Due to this, there is an equal chance for the daughter to acquire blood group B or blood group O.

 
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APPEARS IN

 Lakhmir Singh Solution for Biology for Class 10 (2018 to Current)
Chapter 4: Heredity and Evolution
Q: 19 | Page no. 192
Solution A Man Having Blood Group O Marries a Woman Having Blood Group B and They Have a Daughter. What Will Be the Blood Group of the Daughter? Concept: Heredity - Inherited Traits.
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