The things we can now learn about ourselves, and our recent history, through ancestry testing are simply amazing. Revisiting the SNP chip used by Ancestry.com and 23andMe.com, 4-grandparent test, amazing geographic specificity, no you do not have thousands of...
Dr C explains how to sequence DNA, how to build a genome, and how Ancestry and 23andMe work their magic. Bacterial polymerases do all the work for us, PCR and DNA sequencing, the genome, shotgun sequencing, example: shotgunning the Bible, size of the genome vs a book...
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