Multiple choice

There are numerous types of genetic markers. Which of the following has been used to trace the phylogeny of different organisms?

  1. Variable Number Tandem Repeat or VNTR

  2. Single Nucleotide Polymorphism or SNP

  3. Random Amplification of Polymorphic DNA or RAPD

  4. Amplified Fragment Length Polymorphism or AFLP

  5. Short Tandem Repeat or STR
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C Correct answer
Explanation

It is a type of polymerase chain reaction but in this case DNA segments that are amplified would be random. It has been used to trace the phylogeny (is the sequence of events involved in the evolutionary development of a species or taxonomic group of organisms) of various animals and plants.

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