a subdivision of genetics concerned with the structure and function of genes at the molecular level.
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Origin of molecular genetics
First recorded in 1965–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for molecular genetics
(functioning as singular) the study of the molecular constitution of genes and chromosomes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for molecular genetics
The branch of genetics that deals with hereditary transmission and variation on the molecular level.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.