More than 12 million people took DNA tests from companies such as 23andMe and AncestryDNA in...  ...etely unexpected. Imagine finding out you are not genetically related to your father, or less commonly, your mo...  ...ur mother. Or even a sibling or aunt, because DNA tests can...

Thanks to companies like 23andMe and AncestryDNA,...  ...panies like 23andMe and AncestryDNA, personal DNA testing is hot. For a couple hundred dollars or less, you...  ...they don't map all your DNA.2. THE KITS LOOK FOR GENETIC VARIATIONS CALLED SINGLE NUCLEOTIDE POLYMORPHISMS...  ...ng DNA from your cheek swab...