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Fergus(s)on DNA ProjectSamuel FERGUSON and Mary JAMESONTimes to Most Recent Common Ancestor |
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The numbers in red show how many generations removed each participant is from the family's most recent common ancestor. The numbers in blue are the resultant TMRCA.
The tables below compare the actual pairwise TMRCA as deduced from the above diagram with theoretical computations of the 95% TMRCA.
| Time to Most Recent Common Ancestor (Generations) | ||||||||||
| Actual TMRCA | D a v i d |
M a r s h a l l |
G e r a l d |
G a r y |
M i c h a e l |
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| David_Ferguson | 37 | 6 | 5 | 7 | 7 | |||||
| Marshall_Lee_Ferguson | 6 | 25 | 6 | 7 | 7 | |||||
| Gerald_Shannon_Ferguson | 5 | 6 | 67 | 7 | 7 | |||||
| Gary_Jack_Ferguson | 7 | 7 | 7 | 67 | 7 | |||||
| ANC_Michael_Allen_Ferguson | 7 | 7 | 7 | 7 | 43 | |||||
| 95% TMRCA | ||||||||||
| David_Ferguson | 37 | 35 | 18 | 18 | 36 | |||||
| Marshall_Lee_Ferguson | 35 | 25 | 22 | 22 | 22 | |||||
| Gerald_Shannon_Ferguson | 18 | 22 | 67 | 12 | 26 | |||||
| Gary_Jack_Ferguson | 18 | 22 | 12 | 67 | 16 | |||||
| ANC_Michael_Allen_Ferguson | 36 | 22 | 26 | 16 | 43 | |||||
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| - Infinite allele mutation model is used
- Average mutation rate varies: 0.0028 to 0.0049 - Mutation rates from Chandler, Little & Hutchison - Values on the diagonal indicate number of markers tested - Probability is 95% that the TMRCA is no longer than indicated |
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In these cases all the actual TMRCA are less than the 95% numbers as they probably should be. It is concluded the resultant set of pairwise actual TMRCA defined by the genealogical structure is consistent with the corresponding set of pairwise TMRCA computed from the DNA mismatches.
Copyright © 2008 Fergus(s)on DNA Project