Ancestry-informative markers
Ancestry-Informative Markers (AIMs)
Ancestry-Informative Markers (AIMs) are genetic markers that exhibit substantially different frequencies between populations from different geographical regions. They are used in genetic research to study the genetic structure of human populations and to infer an individual's geographical ancestry.
Pronunciation
Ancestry-Informative Markers: /ˈæn.sɛs.tri ɪnˈfɔːr.mə.tɪv ˈmɑːr.kərz/
Etymology
The term "Ancestry-Informative Markers" is derived from the English words "ancestry" (meaning lineage or descent), "informative" (meaning providing useful or interesting information), and "markers" (meaning an object used to indicate a position, place, or route). The term was coined by genetic researchers to describe genetic markers that provide information about an individual's geographical ancestry.
Related Terms
- Genetic Marker: A gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.
- Single Nucleotide Polymorphism (SNP): A substitution of a single nucleotide that occurs at a specific position in the genome, where each variation is present to some appreciable degree within a population.
- Genome: The complete set of genes or genetic material present in a cell or organism.
- Genetic Variation: The difference in DNA among individuals or the differences between populations.
- Population Genetics: The study of genetic variation within populations, and involves the examination and modelling of changes in the frequencies of genes and alleles in populations over time.
External links
- Medical encyclopedia article on Ancestry-informative markers
- Wikipedia's article - Ancestry-informative markers
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