heterozygous

adjective
het·​ero·​zy·​gous | \ ˌhe-tə-rō-ˈzī-gəs How to pronounce heterozygous (audio) \

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

Recent Examples on the Web

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

Keep scrolling for more

Learn More about heterozygous

Statistics for heterozygous

Look-up Popularity

Time Traveler for heterozygous

The first known use of heterozygous was in 1902

See more words from the same year

Keep scrolling for more

More Definitions for heterozygous

heterozygous

adjective
het·​ero·​zy·​gous | \ -gəs How to pronounce heterozygous (audio) \

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

Comments on heterozygous

What made you want to look up heterozygous? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to move or proceed with twists and turns

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!