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Help me understand! What is it that forms the basis of DNA Fingerprinting?

What is it that forms the basis of DNA Fingerprinting?

  • Option 1)

    The relative difference in the DNA occurrence in blood, skin and saliva

  • Option 2)

    The relative amount of DNA in the ridges and grooves of the fingerprints

  • Option 3)

    Satelite DNA occurring as highly repeated short DNA segments

  • Option 4)

    The relative proportions of purines of pyrimidines in DNA

 
Answers (1)
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As we discussed in concept

DNA fingerprinting -

DNA fingerprinting is a very quick way to compare the DNA sequence of any two individuals.

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Option 1)

The relative difference in the DNA occurrence in blood, skin and saliva

This option is incorrect.

Option 2)

The relative amount of DNA in the ridges and grooves of the fingerprints

This option is incorrect.

Option 3)

Satelite DNA occurring as highly repeated short DNA segments

This option is correct.

Option 4)

The relative proportions of purines of pyrimidines in DNA

This option is incorrect.

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