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A sequence of DNA with a known physical location on a chromosome is called a

Question and options

A sequence of DNA with a known physical location on a chromosome is called a
  1. Probe
  2. Marker
  3. Centimorgan
  4. Template

Answer and explanation

Correct answer: B - Marker
A DNA sequence with a known physical location on a chromosome is a genetic marker. A probe is a labelled sequence used for detection, and a centimorgan is a unit of map distance.

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