Author: Miss Cellania / Source: Neatorama
Thanks to companies like 23andMe and AncestryDNA, personal DNA testing is hot. For a couple hundred dollars or less, you can find out where your ancestors came from, in case you need to swap out your lederhosen for a kilt, as in one memorable ad. Most of us recall when DNA sequencing was cutting edge technology, and took years and millions of dollars to accomplish.
How do these companies do it for so many people? Well, for one thing, they don’t map all your DNA.2. THE KITS LOOK FOR GENETIC VARIATIONS CALLED SINGLE NUCLEOTIDE POLYMORPHISMS.
After extracting DNA from your cheek swab or saliva sample, DNA testing companies search your DNA for certain genetic variants. The building blocks of DNA are chemical bases called…
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