Multiple choice

Which of the following markers used in DNA fingerprinting of plants show high level of polymorphism and are reproducible also?

  1. Sequence characterised amplified region (SCAR)

  2. Single Nucleotide Polymorphism (SNPs)

  3. Expressed Sequence Tags (ESTs)

  4. Inter-simple sequence repeat (ISSR)

  5. Minisatellites
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E Correct answer
Explanation

Minisatellites consist of regions containing repeat sequences 16 to 64 base pairs. Different individuals have different number of repeats as mutation rate is high in these regions. Thus,  these markers show high level of polymorphism and are reproducible also.

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