Try Our Apps


WATCH "Lumbersexual"


[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
First recorded in 1900-05; hetero- + zygote Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for heterozygote
Historical Examples
  • But in a heterozygote potency is usually more or less reduced.

  • Eosin is allelomorphic to white and the white-eosin compound or heterozygote has the color of the eosin male.

  • If the individual was really a heterozygote, approximately fifty per cent.

    Being Well-Born Michael F. Guyer
  • In this character, then, dominance almost always fails to show itself in the heterozygote and often fails in pure dominants.

  • heterozygote (different yolk), a zygotic individual which contains both members of an allelomorphic pair.

    Applied Eugenics Paul Popenoe and Roswell Hill Johnson
  • The heterozygote produced by crossing these forms is intermediate in size and appearance.

    Mendelism Reginald Crundall Punnett
  • Some are probably matings of two heterozygotes, others of two recessives, and others still of a recessive with a heterozygote.

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

Nearby words for heterozygote