Most recent common ancestor

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The technical term MRCA, Most Recent Common Ancestor ( last common ancestor ), is often used in genetic genealogy or in human genetic statistics.

The last common ancestor is now mostly statistically calculated by the likely generations be determined, in which two or more persons have the same percentage ancestors.

Many Genetic Genealogy Company is such a list, which indicates the relationship between two subjects, part of the offer.

It can also be given an estimate of the period during which the founders of haplogroup lived. This is very important to explore the spread of people better. It calculates the MRCA based on the mutation rates of loci within the DNA of the subjects. The calculation procedure is different in mtDNA and Y DNA.