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  • Current: Mar 23, 2022

Heterozygous

Heterozygous means having different allele of a given gene.

In the following example, locus 2 is homozygous, whereas loci 1 and 3 are heterozygous.

Public comain image showing alleles and loci

Definitions in the literature

  • having two different alleles of a gene [1].
  • carrying two different alleles of a given gene; also called hybrid [2].