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Briefly describe the following: (b) Polymorphism

14. Briefly describe the following:

              (b) Polymorphism
            

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S Sonika

Polymorphism- It refers to a special kind of genetic variation in which nucleotide sequence can exist at a particular site in a  DNA molecule. This heritable mutation is caused due to a mutation in either somatic cell or in the germ cell. It ultimately results in the accumulation of various mutations at one site. Polymorphism brings revolution in the process of finding a location on the chromosome for disease-associated sequences and tracing human history.

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