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

Overall, the study delivers a detailed genetic map of early nervous system development and sheds light on the molecular basis of a newly identified brain disorder.

From Science Daily • Jan. 11, 2026

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

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

Sturtevant’s rudimentary genetic map would foreshadow the vast and elaborate efforts to map genes along the human genome in the 1990s.

From "The Gene" by Siddhartha Mukherjee