Use of “genotypes” alone covers any application of determining sequences of A, T, C, and G that I can think of, and if that’s not enough, the first sentence of the act mentions sequencing the human genome.
A decade ago also came the first direct-to-consumer (DTC) DNA tests, from a handful of companies. Since then the number and types of “spit” and cheek swab tests and companies offering them have mushroomed, probing traits, tendencies, risks of future illness, metabolic quirks, behavioral characteristics, carrier status for single-gene diseases, and of course ancestry. But with the spreading tentacles of DNA testing, a lack of precision in describing what, exactly, is being considered, can lead to misunderstanding. That’s apparent in the use of DNA testing to help to reunite children separated from their parents as part of the Trump administration’s “zero tolerance” policy at U.S. borders.
Don’t Echo Politicians Who Gloss Over the Science
Initial confusion about DNA testing unfurled June 21 when California Representative Jackie Speier called for DTC DNA testing company 23andMe to donate kits for swabbing children’s cheeks at the borders.
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