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Complex Numbers #1055015 added September 2, 2023 at 9:48am
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Faded Genes
Here's another volley in the age-old debate of nature vs. nurture.
People want things simple. Even scientists generally want to go with the most parsimonious theory possible. Biology, however, ain't simple. We're products of genetics and environment, both; the only question is in what proportions?
Yes, this article (from Big Think) is a book promotion; I've already stated multiple times how I feel about those.
We humans feel a great need to belong, to know our origins, and because we’ve been fixated on genes over the past hundred years, we’ve been using the language of genetics to write our stories.
I guess I'm not human then. I have almost no idea who my biological parents were, or what my genetic ancestry is. One family was drama enough; I don't need genetic testing (which I don't trust, anyway) or some epic quest to find my birth parents.
There’s immense allure to imagining connections to such remote peoples, places, and times. But as the organization Sense About Science says of such claims, “They are little more than genetic astrology.”
And that's even assuming that the DNA tests always produce accurate results, which I'm not convinced of. I'm also just paranoid enough to think the testing labs might have been started by law enforcement; the ancestry results don't have to be accurate if all you're really doing is building a database.
Geneticist Adam Rutherford has also rightly pointed out that if you go back far enough — and “far enough” isn’t all that long ago in human history — we’re all related to each other.
Go back even farther, and you're related to your dog. Farther even than that, and you're related to that kale you ate last night.
The article is amazingly light on detail and heavy on biology jargon, but it's short.
Our genes aren’t our identity, no matter what the DNA testing companies say in their advertising campaigns.
No, I agree; they're not. They are, however, part of it.
Indeed, these companies use the DNA from people’s tests to research how diseases caused by a single genetic mutation might be treated.
So much for my pessimistic paranoid fantasy. Or maybe They just want us to believe They're researching genetic diseases.
In the end, though, on a personal level, I have to look askance at anything that emphasizes our differences rather than our similarities. |
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