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DNA - MRCA statistical interpreation

Replies: 6

DNA - MRCA statistical interpreation

Posted: 1358033146000
Classification: Query
Edited: 1358063640000
I have had two suspected family members tested with the Paternal DNA 46 marker tests, as well as myself.
The one relation has an MCRA of 10 and the other has an MCRA of 14. All three tests were done in 2010. and the haplogroup for all is the R1b.
I think I understand that the second person, for example has a common ancestor with me 14 generations ago - At 25 years per average generation, this would be about 1660. Is this correct? Also, what reliability could one put on this data? would it be say +-10% variance on the average date or generation?
I would like to fix a time period when this common early ancestor was born?
I hope someone will be able to answer this question for me.
regards,
Mike Bridgeofrd, Plettenberg Bay, South Africa.
SubjectAuthorDate Posted
Michael Bridg... 1358058346000 
jbarry6899 1358113590000 
Michael Bridg... 1358140992000 
jbarry6899 1358170955000 
Michael Bridg... 1358183027000 
jbarry6899 1358183529000 
jbarry6899 1358183661000 
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