What is the basis of DNA fingerprinting ?

The double helix

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Errors in base sequence

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Polymorphism in sequence

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DNA replication

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DNA coiling

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Solution

The correct option is D Polymorphism in sequence
DNA fingerprinting is the method of isolating and making images of sequences of DNA. The technique was developed in 1984 by the British geneticist Alec Jeffreys, after he noticed the existence of certain sequences of DNA that do not contribute to the function of a gene but are repeated within the gene and in other genes of a DNA sample.

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What is it that forms the basis of DNA fingerprinting?

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