Probes, used in DNA fingerprinting, are initially.

Single stranded RNA

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Minisatellite

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19 base long oligonucleotide

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All of the above

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Solution

The correct option is D
All of the above

The probes used for DNA fingerprinting are usually prepared from minisatellite or microsatellite DNA. These are single-stranded, RNA that are 19 base long oligonucleotide.

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