Ancestry-informative markers

From WikiMD's Food, Medicine & Wellness Encyclopedia

Ancestry informative markers refers to locations in the genome that have varied sequences at that location and the relative abundance of those markers differs based on the continent from which individuals can trace their ancestry. So by using a series of these ancestry informative markers, sometimes 20 or 30 or more, and genotyping an individual you can determine from the frequency of those markers where their great, great, great, great ancestors may have come from. These are generally resolved to the three major continents: Africa, Asia, and Europe. Ancestry informative markers are used in epidemiological studies to see whether or not people have the same background, and sometimes they are used in forensic studies as well.


Ancestry-informative markers Resources
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Contributors: Prab R. Tumpati, MD