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Unformatted text preview: their children for having some kind of disease. This could also be a disadvantage because in some cases it might discourage the couple from having children. Another advantage is being able to trace the persons origins. Knowing someones genetic profile can give clues to who his or her ancestors were, which can be good for both the person and researchers. Another advantage is finding out which diseases the person is at risk for. To share a haplotype with someone is to share an ancestor. A haplotype is the stretch of DNA containing the founder mutation. The haplotype is identical in people who have the same founder mutation. The haplotype gets smaller in each generation. So to tell the age of the founder mutation, scientists look at the length of the haplotype in the person currently carrying the founder mutation. The longer the length of the haplotype, the younger the founder mutation....
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