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What is DNA polymorphism? What is it imp...

What is DNA polymorphism? What is it important to study it?

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Occurrence of different types of repetitive DNA (microsatellites and minisatellites), single nucleotides and restriction fragment length is called DNA polymorphism.
Importance of DNA polymorphism:
(i) It brings about genetic variation.
(ii) It is used for genetic mapping.
(iii) For identification of organisms.
(iv) For solving filial disputes.
(v) For resolving criminal cases.
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