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Concept of Dominance and Recessiveness

Marriages in ...

Question

Marriages in close relatives result into deformed babies because of receiving

A

dominant alleles

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B

two copies of same recessive allele

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C

a deleted piece of DNA from mother

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D

two copies of dominant alleles

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Solution

The correct option is B two copies of same recessive allele
These result in genetic disorders due to the great similarity in genes and the inheritance of the recessive alleles.

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