genome
Americannoun
noun
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the full complement of genetic material within an organism
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all the genes comprising a haploid set of chromosomes
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The total amount of genetic information in the chromosomes of an organism, including its genes and DNA sequences. The genome of eukaryotes is made up of a single, haploid set of chromosomes that is contained in the nucleus of every cell and exists in two copies in all cells except reproductive and red blood cells. The human genome is made up of about 20,000 to 25,000 genes.
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Compare proteome
Other Word Forms
- genomic adjective
Etymology
Origin of genome
First recorded in 1925–30; from German Genom, from Gen gene + (Chromos)om chromosome
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"I believed this genome could help close a key gap and bring clarity to the broader evolutionary questions of cephalopods."
From Science Daily • Apr. 1, 2026
As a result, the genome began to unfold, but not evenly.
From Science Daily • Mar. 31, 2026
Exxon’s algae work was done in conjunction with Synthetic Genomics, a company founded by Craig Venter, a pioneer in decoding the human genome, that later operated under the name Viridos.
From The Wall Street Journal • Mar. 31, 2026
The combination of "three different disruptive technologies: genome sequencing, artificial intelligence, and RNA therapeutics... offers new possibilities and challenges", Smith said.
From Barron's • Mar. 30, 2026
It can refer to one gene, a configuration of genes, or even an entire genome.
From "The Gene" by Siddhartha Mukherjee
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.