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Johannsen

(yō-hänsən)Wilhelm Ludwig 1857-1927
  1. Danish botanist and geneticist who was a pioneer in the field of experimental genetics.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Examples from the Web for johannsen

Historical Examples

  • Johannsen's work was simplified because he started with pure lines.

    A Critique of the Theory of Evolution

    Thomas Hunt Morgan

  • Johannsen worked with the common bean, weighing the seeds or else measuring them.

  • The remaining Jews fled to the palace of the bishop Johannsen and to the emperor's castle.

  • Johannsen caused some of the crusaders to be executed, an act strongly reproved by the monkish chroniclers.

  • Some recent experiments by Professor Johannsen of Copenhagen set the matter in a different light.

    Mendelism

    Reginald Crundall Punnett