Give scientific reasons : $DNA$ polymorphism is the basis of genetic mapping of human genome.
Give scientific reasons : $DNA$ polymorphism is the basis of genetic mapping of human genome.
Polymorphism is inherited from parents to children. So it is useful for the identification and paternity testing. It arises due to mutation and also plays an important role in evolution and speciation. These mutation in the non-coding sequences have piled up with time and form the basis of $DNA$ polymorphism. It is the basis of genetic mapping of human genome as well as $DNA$ fingerprinting.
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The total number of genes in humans is far less $(< 25,000)$ than the previous estimate (upto $1,40,000$ gene). Comment.
The total number of genes in humans is far less $(< 25,000)$ than the previous estimate (upto $1,40,000$ gene). Comment.