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
- genetic mapping noun
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.
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
After sequencing Ms Folbigg's DNA, Prof Vinuesa and her team created a genetic map, which they then used to identify mutated genes.
From BBC • Jun. 7, 2023
A genetic map could help in identifying genes that could counteract the cause of cancer.
From Textbooks • Jun. 9, 2022
Dr. Wasser had already developed a genetic map of African elephants by analyzing scat from across the continent.
From New York Times • Sep. 19, 2018
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
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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.