genetic map

American  

noun

1. an arrangement of genes on a chromosome.

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genetic map British  

noun

1. a graphic representation of the order of genes within chromosomes by means of detailed analysis of the DNA See also chromosome map

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genetic map Scientific  

1. 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.

2. ◆ Locating and identifying genes in a genetic map is called genetic mapping.

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Other Word Forms

• genetic mapping
  noun

Etymology

Origin of genetic map

First recorded in 1955–60

Example Sentences

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

The study builds upon Navin's previous work on the Human Breast Cell Atlas, which profiled over 714,000 cells to generate a comprehensive genetic map of normal breast tissue at the cellular level.

From Science Daily • Nov. 20, 2024

A genetic map could help in identifying genes that could counteract the cause of cancer.

From Textbooks • Jun. 9, 2022

But the new genetic map found no evidence; the researchers point out oxen, not horses, could have been the driving factor of their expansion.

From New York Times • Oct. 20, 2021

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