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evolutionary fitness in Medicine

evolutionary fitness

(ĕv′ə-lōōshə-nĕr′ē)
n.
  1. The probability that the line of descent from an individual with a specific trait will not die out.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.