WIRED.CO.UK - June 1 - A new wave of DNA-based products claim they can tell people what to eat (Nutria), what cosmetics to buy (SkinGenie), and what wine they'll like (Vinome). BabyGlimpse allows couples to upload their data and preview what their child might look like. DNA dating app Pheramor pairs users with prospective partners based on the content of their chromosomes. But scientists are doubtful about their accuracy. People may think they're getting their entire genome sequenced, but that's not usually the case. Instead of crunching through all 30M letters on 23 pairs of chromosomes, these tests look for a handful of common specific markers that vary between people, called single nucleotide polymorphisms (SNPs). But one SNP on its own is not enough to have sweeping effects on what food people should be eating, or what wine they'll like.
by Amit Katwala
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