Weismann August Friedrich Leopold
Also found in: Dictionary.
Weismann(vīs′män′), August Friedrich Leopold 1834-1914.
German biologist who asserted that hereditary traits are transmitted by a material substance, the germplasm, and that acquired characters cannot be inherited.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.