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The Y-chromosome is passed from father to son normally unchanged, though occasionally differences do occur and it is these
mutations which show how close or far we are from a common ancestor. There are some excellent introductions and explanations
available on the web which can tell you much more about the science behind this than is possible here. Testing the Y chromosome
will provide each participant with a genetic finger print consisting of 12 or 25 or 37 or 67 numbers. By comparing this finger
print to others who also carry the Moses surname, participants can determine if there is a relationship.
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