Humans Interbred with Four Extinct Hominin Species, Research Finds

Source: http://www.sci-news.com/othersciences/anthropology/humans-hominin-introgression-07438.html
Published: Jul 30, 2019
Author: staff
Post Date: 2019-07-30 16:13:14 by Ada
Views: 422

As anatomically modern Homo sapiens migrated out of Africa and around the rest of the world, they met and interbred with at least four different hominin species, according to new research from the University of Adelaide, Australia. Strikingly, of these hominins, only Neanderthals and Denisovans are currently known; the others remain unnamed and have only been detected as traces of DNA surviving in different modern populations. Reconstruction of Homo floresiensis, an extinct hominin species that lived on the Indonesian island of Flores between 74,000 and 18,000 years ago. Image credit: Elisabeth Daynes.

Reconstruction of Homo floresiensis, an extinct hominin species that lived on the Indonesian island of Flores between 74,000 and 18,000 years ago. Image credit: Elisabeth Daynes.

“Each of us carry within ourselves the genetic traces of these past mixing events,” said Dr. João Teixeira, co-author of a paper published in the Proceedings of the National Academy of Sciences.

“These archaic groups were widespread and genetically diverse, and they survive in each of us. Their story is an integral part of how we came to be.”

“For example, all present-day populations show about 2% of Neanderthal ancestry which means that Neanderthal mixing with the ancestors of modern humans occurred soon after they left Africa, probably around 50,000 to 55,000 years ago somewhere in the Middle East.”

But as the ancestors of modern humans traveled further east they met and mixed with at least four other groups of archaic humans.

“Island Southeast Asia was already a crowded place when what we call modern humans first reached the region just before 50,000 years ago,” Dr. Teixeira said.

“At least three other archaic human groups appear to have occupied the area, and the ancestors of modern humans mixed with them before the archaic humans became extinct.”

In their new research, Dr. Teixeira and his colleague, Professor Alan Cooper, analyzed genetic, archaeological and fossil evidence as well as additional information from reconstructed migration routes and fossil vegetation records.

The scientists found there was a mixing event in the vicinity of southern Asia between anatomically modern humans and a group they named Extinct Hominin 1 (EH1).

Other interbreeding occurred with Denisovans in Island Southeast Asia and the Philippines, and with another group — named Extinct Hominin 2 (EH2) — in Flores, Indonesia.

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#1: Pinguinite    To: Ada (#0)

Well, then it's not quite accurate to say these other humanoid species are extinct, is it?

Pinguinite posted on 2019-07-30 20:48:34   Reply   Private Reply


#2: ghostdogtxn    To: Ada (#0)

ghostdogtxn posted on 2019-07-30 21:16:39   Reply   Private Reply


#3: BTP Holdings    To: ghostdogtxn (#2)

I once was at a party with a prideful Nigerian. “Mankind started in Africa!” He proudly declared.

“And then someone had the good sense to leave Africa, and BAM. Civilization started.”

It is difficult for him to see what has been discovered elsewhere. ;)

www.khanacademy.org/human...vilizations/ancient-near- east1/the-ancient-near-east-an-introduction/a/the-cradle-of-civilization

Where is the cradle of civilization located?

The cradle of civilization. Mesopotamia, the area between the Tigris and Euphrates Rivers (in modern day Iraq), is often referred to as the cradle of civilization because it is the first place where complex urban centers grew.

BTP Holdings posted on 2019-07-30 21:35:32   Reply   Private Reply


#4: Ada    To: ghostdogtxn (#2)

I'm still not 100% with Out of Africa.

Ada posted on 2019-07-30 22:54:29   Reply   Private Reply


#5: Esso    To: ghostdogtxn, 4um (#2)

“And then someone had the good sense to leave Africa, and BAM. Civilization started.” My reply.

Quite racially insensitive, although extremely accurate.

Esso posted on 2019-07-30 23:37:01   Reply   Private Reply


#6: Esso    To: BTP Holdings (#3)

Mesopotamia, the area between the Tigris and Euphrates Rivers (in modern day Iraq), is often referred to as the cradle of civilization because it is the first place where complex urban centers grew.

OK, so they're the fuckers that invented NYC, Chicago, Detroit and a large portion of the Pacific Northwest?

"We'd better nuke it from orbit, just to be sure!"

Esso posted on 2019-07-30 23:44:43   Reply   Private Reply


#7: BTP Holdings    To: Esso (#5)

although extremely accurate.

You have to give him that much credit. ;)

BTP Holdings posted on 2019-07-31 00:11:05   Reply   Private Reply


#8: BTP Holdings    To: Esso (#6)

complex urban centers grew.

OK, so they're the fuckers that invented NYC, Chicago, Detroit and a large portion of the Pacific Northwest?

You really need to get a handle on your ancient civilizations. These people were the Sumerians. ;)

Mesopotamia: The Rise of the Cities

BTP Holdings posted on 2019-07-31 00:19:02   Reply   Private Reply


#9: Dakmar    To: Pinguinite (#1)

Well, then it's not quite accurate to say these other humanoid species are extinct, is it?

As a distinct species they are, but that avenue gets too political for the Davos crowd.

Dakmar posted on 2019-07-31 01:03:24   Reply   Private Reply


#10: Dakmar    To: ghostdogtxn (#2)

“And then someone had the good sense to leave Africa, and BAM. Civilization started.” My reply.

Whites were run out of Africa, we deserve reparations.

Dakmar posted on 2019-07-31 01:04:42   Reply   Private Reply


#11: Pinguinite    To: Dakmar (#9)

As a distinct species they are, but that avenue gets too political for the Davos crowd.

Well the same would be true for the supposed "modern human" ancestors that bred with them. They were different from us for lacking the DNA of our neanderthal and other ancestors. So it's not necessarily accurate to say they were "modern" in the fullest sense.

In the end, everything is a matter of degree. We are descendants of all these ancient humanoids.

Pinguinite posted on 2019-07-31 04:55:04   Reply   Private Reply


#12: DWornock    To: Pinguinite (#1)

Well, then it's not quite accurate to say these other humanoid species are extinct, is it?

I would say they are extinct. A bit of their DNA remains, but it is like a brick building that was destroyed and hauled off. You may find a brick that wasn't hauled off, but one brick is not a building.

DWornock posted on 2019-07-31 19:11:17   Reply   Private Reply


#13: Ada    To: Pinguinite (#1)

No longer a distinct human species

Ada posted on 2019-08-01 00:26:59   Reply   Private Reply


#14: BTP Holdings    To: DWornock (#12)

one brick is not a building.

When I lived in Chicago, this kid was an escapee from Maryville. It was home for wayward children. He lived in a second floor apartment above a small business.

He would pull down the shades and he had written on them S C R for Simon City Royals.

The Ricans would try to throw full size bricks at the windows but they could not do it.

That is when you throw half size bricks. ROTFLOL

BTP Holdings posted on 2019-08-01 00:42:20   Reply   Private Reply


#15: NeoconsNailed    To: Ada (#0)

Does this explain Al Sharpton?

NeoconsNailed posted on 2019-08-01 00:56:39   Reply   Private Reply


#16: NeoconsNailed    To: ghostdogtxn (#2)

That is priceless! Touché! Bravo!

You remind me of once when I was standing in line at the post office in Danville, Va. Somewhat ahead of me was a black dude in suit standing up as proud and stiff as you ever saw. What's he up to, I thought. No doubt it was bleck histry mumf.

When he got to the window he asked if they had any black achievement stamps or words to that effect. The clerk said they didn't have any in a neutral tone -- will bet he was working as hard as I at not laffing :-]

There's not much as tragicomic as a black innelekshal. The 'out of Africa' theory could not possibly be a more transparent snow job -- just like the universally accepted claim it all started with a black female.

NeoconsNailed posted on 2019-08-01 01:05:21   Reply   Private Reply