genetic map: meaning, definition, pronunciation and examples
Low/TechnicalTechnical/Scientific
Quick answer
What does “genetic map” mean?
A diagram showing the relative positions of genes or other DNA sequences along a chromosome, based on recombination frequencies or physical distances.
Audio
Pronunciation
Definition
Meaning and Definition
A diagram showing the relative positions of genes or other DNA sequences along a chromosome, based on recombination frequencies or physical distances.
More broadly, any graphical representation of the order and spacing of genetic markers or loci on a chromosome, used as a tool in genetics and genomics research.
Dialectal Variation
British vs American Usage
Differences
No significant differences in core meaning or usage. Spelling conventions follow national norms in surrounding text (e.g., 'centimetre' vs. 'centimeter' in explanatory notes).
Connotations
Identical technical connotations in both varieties.
Frequency
Used with equal frequency and identical meaning in UK and US scientific contexts.
Grammar
How to Use “genetic map” in a Sentence
to map something geneticallyto construct a genetic map of somethingthe genetic map shows somethingsomething is located on the genetic mapVocabulary
Collocations
Examples
Examples of “genetic map” in a Sentence
verb
British English
- The team aims to genetically map the pathogen's chromosome.
- We need to map this trait genetically before proceeding.
American English
- The researchers are working to genetically map the soybean genome.
- They genetically mapped the region responsible for the mutation.
adjective
British English
- The genetic mapping data was published in a Nature paper.
- They followed a standard genetic mapping protocol.
American English
- The genetic mapping effort required collaboration across several labs.
- Genetic mapping techniques have advanced considerably.
Usage
Meaning in Context
Business
Rarely used, except in biotech/pharma contexts discussing intellectual property or research tools: 'The company's patent covers genes identified using their proprietary genetic map.'
Academic
Primary context. Used in genetics, biology, and genomics papers and textbooks: 'The study utilised a high-density genetic map to locate the quantitative trait locus.'
Everyday
Very rare. Might appear in popular science articles: 'Scientists have created a detailed genetic map of the wheat genome.'
Technical
Core technical term. Essential in laboratory protocols, research proposals, and scientific discussions in genetics.
Vocabulary
Synonyms of “genetic map”
Neutral
Weak
Vocabulary
Antonyms of “genetic map”
Watch out
Common Mistakes When Using “genetic map”
- Confusing 'genetic map' with 'genome sequence'. A map shows order and relative distance; a sequence shows the exact nucleotide order.
- Using 'genetic map' to refer to a family tree or pedigree chart.
- Misspelling as 'genetical map'.
FAQ
Frequently Asked Questions
No. A genetic map shows the relative order and spacing of genes/markers based on inheritance patterns. A genome sequence is the exact order of DNA nucleotides (A, T, C, G) along each chromosome.
Centimorgans measure genetic distance based on recombination frequency. One centimorgan represents a 1% chance that two markers will be separated by a recombination event during meiosis.
Its main uses are to locate genes (especially for diseases or traits), to understand chromosome structure, and as a framework for assembling genome sequences.
Yes, by crossing individuals and tracking the inheritance of many genetic markers (like SNPs), a de novo genetic map can be constructed for any sexually reproducing organism.
A diagram showing the relative positions of genes or other DNA sequences along a chromosome, based on recombination frequencies or physical distances.
Genetic map is usually technical/scientific in register.
Genetic map: in British English it is pronounced /dʒɪˌnɛtɪk ˈmæp/, and in American English it is pronounced /dʒəˌnɛtɪk ˈmæp/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a genetic map as a **roadmap for chromosomes**, where genes are like cities and the distances between them are measured by how often they 'travel together' during inheritance.
Conceptual Metaphor
A MAP (for navigation), a BLUEPRINT (for construction), a CHART (for plotting locations).
Practice
Quiz
What is the primary unit of distance on a classic genetic (linkage) map?