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Meaning of locus

lo•cus

Pronunciation: (lō'kus), [key]
— pl. -ci -ca
  1. a place; locality.
  2. a center or source, as of activities or power: locus of control.
  3. the set of all points, lines, or surfaces that satisfy a given requirement.
  4. the chromosomal position of a gene as determined by its linear order relative to the other genes on that chromosome.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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