When using the FTDNATiP™ calculator in myFTDNA, the box in which to enter the number of generations appears only when you are not comparing a perfect match, i.e., when there are mutations between the two individuals. This option is not offered to perfect matches. This is because statistically it does not matter. When it is a perfect match, you will get the same percentages moved back by that number of generations.
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Bob, John, and I have the same Genetic Distance. However, when compared, we have different probabilities for sharing a common ancestor, for example, within eight generations. Why?
Bob, John, and I have the same Genetic Distance. However, when compared, we have different probabilities for sharing a common ancestor, for example, within eight generations. Why?
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Why did the FTDNATiP™ probability become less when we eliminated the possibility of a common ancestor within the past seven generations? It seems that it should increase?
Why did the FTDNATiP™ probability become less when we eliminated the possibility of a common ancestor within the past seven generations? It seems that it should increase?
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When comparing two individuals, the DNA test shows them to be closely related. However, one has my surname and the other does not. Does the match with the similar surname mean we are more closely related?
When comparing two individuals, the DNA test shows them to be closely related. However, one has my surname and the other does not. Does the match with the similar surname mean we are more closely related?