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addaword.gifdefinition of MRCA

noun
most recent common ancestor: the most recent single person or organism from which all the people or organisms in a particular group are descended. A term used in genetics
These genes in turn share an MRCA with the haemophilia gene of Tsarevitch Alexis of Russia (1904-1918), in the form of a gene carried by their grandmother, Princess Alice of Hesse.
Submitted from United Kingdom on 24/04/2013 10:32:00
Definition of MRCA from the Open Dictionary – a public resource hosted by Macmillan English Dictionary Online

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