Dr. Melissa Ilardo

More than 10,000 years ago.

But it only became advantageous when the ancestral population of Tibetans moved into these extremely high altitudes.

So they kind of, you know, it was just sitting there waiting for a chance to be really advantageous.

And then as soon as they went to these high altitudes, people carrying that genetic variation were at a huge advantage.

And then as soon as they went to these high altitudes, people carrying that genetic variation were at a huge advantage. And so they, you know, passed that along to their children and their children's children and so on.

And so they, you know, passed that along to their children and their children's children and so on.

That's exactly right.

That's exactly right. So yeah, we see that happening with Neanderthals as well, but also this other population of, they call it archaic hominids, Denisovans. So these were a population that were found in areas of Asia, and their genes were introgressed, we say, so essentially inserted into the human genome.

So yeah, we see that happening with Neanderthals as well, but also this other population of, they call it archaic hominids, Denisovans.

So these were a population that were found in areas of Asia, and their genes were introgressed, we say, so essentially inserted into the human genome.

So individuals from that region tend to have a higher ancestry coming from that hominid group.

Yes.

Right, exactly.

Okay.

That's right, yeah.

That's right, yeah. And there's actually some extraordinary work from Svante Paabo, who works a lot with ancient DNA, where they found an individual who was a first-generation mix.

And there's actually some extraordinary work from Svante Paabo, who works a lot with ancient DNA, where they found an individual who was a first-generation mix.

I think it might have been with Neanderthal, I forget now at this point, but it was a first-generation half-human, half-whatever archaea commonid it was, which shows you, I mean, if they found this, the chances that they would find this one, you know, mixed individual are so slim that it suggests that this was something that was actually happening a lot.

I think it might have been with Neanderthal, I forget now at this point, but it was a first-generation half-human, half-whatever archaea commonid it was, which shows you, I mean, if they found this, the chances that they would find this one, you know, mixed individual are so slim that it suggests that this was something that was actually happening a lot. for them to happen to find it.

for them to happen to find it.

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