heterozygous

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adjective

Of an organism: having two different alleles in a given gene.

Similar
Opposite
Less commonScrabble 28

Meanings

adjectiveheterozygous (not comparable)

alternative heterzygous

  1. not comparablebiologyOf an organism: having two different alleles in a given gene.

    Plant breeding is always a numbers game.[…]The wild species we use are rich in genetic variation, and individual plants are highly heterozygous and do not breed true. In addition, we are looking for rare alleles, so the more plants we try, the better.

    2013 May-June, David Van Tassel, Lee DeHaan, “Wild Plants to the Rescue”, in American Scientist, volume 101, number 3

    Synonyms: simplex

Synonyms & antonyms

adjectiveOf an organism: having two different alleles in a given gene.

Similar

More synonyms by meaning

adjectivehaving dissimilar alleles at corresponding chromosomal loci

Opposite
Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*sem-
  2. Proto-Indo-European*sḿ̥teros
  3. Proto-Hellenic*hə́teros
  4. Ancient Greekἕτερος (héteros)
  5. Englishhetero-
  6. Englishheterozygous

From hetero- + -zygous.

Full word history & related roots →

Translations

Bulgarian хетерозиготен
  • хетерозиготен (heterozigoten)Of an organism which has two different alleles of a given gene
Dutch heterzygoot
  • heterzygootOf an organism which has two different alleles of a given gene
Finnish eriperintäinen, heterotsygoottinen
  • eriperintäinenOf an organism which has two different alleles of a given gene
  • heterotsygoottinenOf an organism which has two different alleles of a given gene
French hétérozygote
  • hétérozygoteOf an organism which has two different alleles of a given gene
Irish heitrisigeach
  • heitrisigeachOf an organism which has two different alleles of a given gene
Italian eterozigote
  • eterozigoteOf an organism which has two different alleles of a given gene
Polish heterozygotyczny
  • heterozygotycznyOf an organism which has two different alleles of a given gene
Portuguese heterozigoto
  • heterozigotoOf an organism which has two different alleles of a given gene
Scottish Gaelic eadar-chuingeach
  • eadar-chuingeachOf an organism which has two different alleles of a given gene
Spanish heterocigótico
  • heterocigóticoOf an organism which has two different alleles of a given gene
Vietnamese dị hợp tử
  • dị hợp tửOf an organism which has two different alleles of a given gene
Cite this entry
APA

heterozygous. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/heterozygous

MLA

“heterozygous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heterozygous. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “heterozygous,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/heterozygous.

Source: heterozygous on Wiktionary, CC BY-SA 4.0.