What do a.m. and p.m. stand for?


[het-er-uh-zahy-goht, -zig-oht] /ˌhɛt ər əˈzaɪ goʊt, -ˈzɪg oʊt/
noun, Genetics.
a hybrid containing genes for two unlike forms of a characteristic, and therefore not breeding true to type.
Origin of heterozygote
1900-05; hetero- + zygote Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for heterozygote
  • But consider a scenario where one parent is a heterozygote, and the other a homozygote for the dominant trait.
  • Prenatal diagnosis and heterozygote detection are now possible.
British Dictionary definitions for heterozygote


/ˌhɛtərəʊˈzaɪɡəʊt; -ˈzɪɡəʊt/
an animal or plant that is heterozygous; a hybrid Compare homozygote
Derived Forms
heterozygosis, noun
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
Cite This Source
heterozygote in Medicine

heterozygote het·er·o·zy·gote (hět'ə-rō-zī'gōt')
An organism that has different alleles at a particular gene locus on homologous chromosomes.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for heterozygote

Few English speakers likely know this word

Word Value for heterozygote

Scrabble Words With Friends