[ het-uh-roh-guh-met-ik ]
/ ˌhɛt ə roʊ gəˈmɛt ɪk /

adjective Genetics.

(of a species or individual organism) having two unlike gametes.
Compare homogametic.

Origin of heterogametic

First recorded in 1905–10; hetero- + gametic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for heterogametic


/ (ˌhɛtərəʊɡəˈmɛtɪk) /


genetics denoting the sex that possesses dissimilar sex chromosomes. In humans and many other mammals it is the male sex, possessing one X-chromosome and one Y-chromosomeCompare homogametic
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 heterogametic


[ hĕt′ə-rō-gə-mĕtĭk ]


Producing dissimilar gametes, such as those of human males, who produce two types of spermatozoa, one bearing the X-chromosome and the other bearing the Y-chromosome.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.