"Family Finder" is their terminology for an autosomal DNA test. See? "Family Finder" is easier to say! But the difference between Y-DNA and mtDNA tests is this: Of the 23 pairs of chromosomes in the nucleus of the human gene, one pair is the sex chromosome the "X-X" or the "X-Y" . Y-DNA is carried only by and passed along by males. the mtDNA is actually outside the nucleus and is passed down only by the female but both males and females have the identical mtDNA. So what about the fact that both Mon and Dad pass down various traits? That's where autosomal DNA plays a part. That is where the half contributed by Mom and combines with the half contributed by Dad. This allows the science of DNA to predict (nothing is an absolute!) who your ancestors might be.
Avoid the throngs! Shop on-line at FamilyTreeDNA!!
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Animation of the structure of a section of DNA. The bases lie horizontally between the two spiraling strands. (Photo credit: Wikipedia)[/caption]Related articles
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If I've already done 23andme and Ancestry, would there be a good reason to do FamilyTree?
ReplyDeleteThe first thing that comes to mind is the current "issue" at 23andMe which I think is unfortunate. Who knows how long it will take them to straighten out that mess!! Secondly, I'm a tad uncomfortable with the accuracy of the Ancestry.com DNA tests. See Roberta Estes' blog at http://dna-explained.com/. They came into the market with a marginal data base and have recently been "upgrading" everyone's results. How do you "upgrade" what should be empirical data? Beats me! At any rate, I would recommend FamilyTreeDNA simply because I've never heard any negativity. Not a very "empiriacl" reason, but it's all I got, so to speak! And Thanks fr the comment....And have a GREAT holiday season!!
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