# heterozygous

> English word · Adjective · frequency rank #62,198

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

## Etymology
From hetero- + -zygous.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/heterozygous