- Danish botanist and geneticist who was a pioneer in the field of experimental genetics.
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
Johannsen's work was simplified because he started with pure lines.
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</p>
Reginald Crundall Punnett