Direct-to-consumer genetic testing doesn’t provide the context needed to give you comprehensive results, explains a geneticist.
I really dont think that these tests, from a medical or a health perspective, are useful.
Clinical tests and a23andMetest or anAncestry.comtest just have different goals and different designs.
Its Amazing How Its All Connected.
So the more rare a mutation is, the smaller the pool of genotypes available to base results on.
Thats why genetics is a medical profession, says Dr. Onel.
Kenan Onel, MD, PhD, is the director of the Center for Cancer Prevention and Wellness and associate director of Clinical Cancer Genetics and Precision Oncology at The Tisch Cancer Institute at Mount Sinai.
Each and every one of us, we have somewhere between 10 and 30 million variants.
Twenty percent sounds like a really big deal, thats one in five.
But what that actually means is 20 percent greater than the background rate.
The problem with direct-to-consumer testing is that nobody understands probability theory.
Nobody understands actually what theyre telling you when they give you these percentages.
And its like, Oh, look, Im supposed to have blue hairin fact, I do.
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