heterozygous

adjective
het·​ero·​zy·​gous | \ˌhe-tə-rō-ˈzī-gəs \

Definition of heterozygous 

: having the two alleles at corresponding loci on homologous chromosomes different for one or more loci

Examples of heterozygous in a Sentence

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Using a dataset of the genomes of more than 400 deceased people, the researchers looked for instances of heterozygous genes: genes that are the result of a person inheriting a human gene from one parent and a Neanderthal gene from another. Ben Panko, Smithsonian, "How Ancient Neanderthal DNA Still Influences Our Genes Today," 24 Feb. 2017 Using a dataset of the genomes of more than 400 deceased people, the researchers looked for instances of heterozygous genes: genes that are the result of a person inheriting a human gene from one parent and a Neanderthal gene from another. Ben Panko, Smithsonian, "How Ancient Neanderthal DNA Still Influences Our Genes Today," 24 Feb. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heterozygous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of heterozygous

1902, in the meaning defined above

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The first known use of heterozygous was in 1902

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More Definitions for heterozygous

heterozygous

adjective
het·​ero·​zy·​gous | \-gəs \

Medical Definition of heterozygous 

: having the two genes at corresponding loci on homologous chromosomes different for one or more loci — compare homozygous

More from Merriam-Webster on heterozygous

Britannica English: Translation of heterozygous for Arabic Speakers

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