genetic map
Americannoun
noun
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A graphic representation of the arrangement of a gene or a DNA sequence on a chromosome. A genetic map is used to locate and identify the gene or group of genes that determines a particular inherited trait.
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◆ Locating and identifying genes in a genetic map is called genetic mapping.
Other Word Forms
Etymology
Origin of genetic map
First recorded in 1955–60
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.
The first detailed genetic map of cancer in pet cats reveals striking similarities with human versions of the disease, possibly helping find new ways to treat cancers in both.
From BBC • Feb. 19, 2026
To find out, the Maryland team created a detailed genetic map of the multi-ovary wheat and compared it with that of ordinary wheat.
From Science Daily • Oct. 19, 2025
Unbeknown to American officials at the time, the genetic map that had landed on their doorstep contained critical clues about the virus that would soon touch off a pandemic.
From New York Times • Jan. 18, 2024
A genetic map is an illustration that lists genes and their location on a chromosome.
From Textbooks • Jun. 9, 2022
By the end of the evening, Sturtevant had sketched the first linear genetic map of half a dozen genes along a Drosophila chromosome.
From "The Gene" by Siddhartha Mukherjee
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.
