Earliest interbreeding event between ancient human populations discovered

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 In 2017, Rogers led a study which found that two lineages of ancient humans, Neanderthals and Denisovans, separated much earlier than previously thought and proposed a bottleneck population size.

Rogers studied the ways in which mutations are shared among modern Africans and Europeans, and ancient Neanderthals and Denisovans. The pattern of sharing implied five episodes of interbreeding, including one that was previously unknown. The newly discovered episode involves interbreeding over 700,000 years ago between a distantly related "super-archaic" population which separated from all other humans around two million years ago, and the ancestors of Neanderthals and Denisovans.

The super-archaic and Neanderthal-Denisovan ancestor populations were more distantly related than any other pair of human populations previously known to interbreed. For example, modern humans and Neanderthals had been separated for about 750,000 years when they interbred. The super-archaics and Neanderthal-Denisovan ancestors were separated for well over a million years.

The authors used other clues in the genomes to estimate when the ancient human populations separated and their effective population size. They estimated the super-archaic separated into its own species about two million years ago. This agrees with human fossil evidence in Eurasia that is 1.85 million years old.

The researchers also proposed there were three waves of human migration into Eurasia. The first was two million years ago when the super-archaics migrated into Eurasia and expanded into a large population. Then 700,000 years ago, Neanderthal-Denisovan ancestors migrated into Eurasia and quickly interbred with the descendants of the super-archaics. Finally, modern humans expanded to Eurasia 50,000 years ago where we know they interbred with other ancient humans, including with the Neanderthals.

Source: https://www.sciencedaily.com/releases/2020/02/200220141232.htm

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And it lives on through GGD 

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God this makes me want to go back into scientific academia shsjdldldndsk

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9 minutes ago, Morphine Prince said:

Hot

LMAOOO yasss

 

OT: Isn't obvious? There were not too many options and they were trying to make our species thrive. We all come from inbreeeding

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Why do they look like Ally and Jackson Maine ? 

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4 minutes ago, omen said:

LMAOOO yasss

 

OT: Isn't obvious? There were not too many options and they were trying to make our species thrive. We all come from inbreeeding

It's not familial inbreeding but inbreeding between species separated a million of years beforehand. Some of y'all mind.

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11 minutes ago, FfFfFfFF said:

It's not familial inbreeding but inbreeding between species separated a million of years beforehand. Some of y'all mind.

I dont get it jajaja

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Just now, omen said:

I dont get it jajaja

The article talks about how early humans branched into two separate populations that grew to be different over time (one I assume, stayed in Africa and one moved in Eurasia). After a million of years they interbreeded.

That is interesting because it shows that Neanderthals weren't the first population to separate from the early humans and to migrated to Eurasia. And that this interbreeding event happened before they even branched out.

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4 minutes ago, FfFfFfFF said:

The article talks about how early humans branched into two separate populations that grew to be different over time (one I assume, stayed in Africa and one moved in Eurasia). After a million of years they interbreeded.

That is interesting because it shows that Neanderthals weren't the first population to separate from the early humans and to migrated to Eurasia. And that this interbreeding event happened before they even branched out.

Now i get it, thank you so much icon.

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