Out of africa or multiregional theory

Overview[ edit ] The Multiregional hypothesis was proposed in by Milford H. WolpoffAlan Thorne and Xinzhi Wu. Howellswho confused Weidenreich's hypothesis with a polygenic "candelabra model" in his publications spanning five decades: How did Multiregional evolution get stigmatized as polygeny?

Out of africa or multiregional theory

Now, after 40 years, Mungo Man may finally be heading home to be returned to his burial place in Lake Mungo National Park. Mungo Man was discovered by Jim Bowler on 26 February when shifting sand dunes exposed his remains. The body was sprinkled with red ochre, in the earliest known example of such a sophisticated and artistic burial practice.

This aspect of the discovery has been particularly significant to indigenous Australians, since it indicates that certain cultural traditions have existed on the Australian continent for much longer than previously thought. Dating the Mungo remains however would prove to be a long and controversial task.

Adding to the controversy was another study conducted by Australian National University graduate student Greg Adcock and colleagues, who analysed the mitochondrial DNA from bone fragments and found that Mungo Man had a genetic lineage that is both older and distinct from the common ancestor that originated in Africa in the female line of all living humans, the so-called "Mitochondrial Eve".

The study authors proposed that their results support the multiregional hypothesis, which holds that traits of modern humans evolved in several places around the world, and that gene flow created the genetic uniformity seen today, not a recent migration of a single population from Africa.

It was also claimed that the DNA findings did not conflict with the Out of Africa hypothesis because Mungo Man may simply have descended from a different maternal line in Africa which later became extinct.

All was well again in the academic world and many breathed a sigh of relief that they could continue to hold onto their belief in the Out of Africa model. Mungo Man may not have given up all his answers, but Jim is hoping he will now be returned to his original resting place.

Which population is most genetically distant from Africans? - Gene Expression

The remains of Mungo Man.Out of one, and only one, major exodus from Africa 80, years ago by migratory African ancestors was the entire non-African world in all its racial and cultural diversity ultimately populated—so argues Stephen Oppenheimer in this groundbreaking volume that has stirred heated controversy among authorities in geology, linguistics, .

Bones, Stones and Molecules provides some of the best evidence for resolving the debate between the two hypotheses of human origins. The debate between the 'Out of Africa' model and the 'Multiregional' hypothesis is examined through the functional and developmental processes associated with the evolution of the human skull and face and focuses on the significance of the Australian record.

Out of one, and only one, major exodus from Africa 80, years ago by migratory African ancestors was the entire non-African world in all its racial and cultural diversity ultimately populated—so argues Stephen Oppenheimer in this groundbreaking volume that has stirred heated controversy among authorities in geology, linguistics, archaeology, and anthropology.

Significant Energy E vents in Earth's and Life's History as of Energy Event.

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Timeframe. Significance. Nuclear fusion begins in the Sun. c. billion years ago (“bya”) Provides the power for all of Earth's geophysical, geochemical, and ecological systems, with the only exception being radioactivity within Earth.

Out of africa or multiregional theory

The multiregional hypothesis, multiregional evolution (MRE), or polycentric hypothesis is a scientific model that provides an alternative explanation to the more widely accepted "Out of Africa" model of monogenesis for the pattern of human evolution.. Multiregional evolution holds that the human species first arose around two million years ago and subsequent human evolution has been within a.

In paleoanthropology, the recent African origin of modern humans, also called the "Out of Africa" theory (OOA), recent single-origin hypothesis (RSOH), replacement hypothesis, or recent African origin model (RAO), is the dominant model of the geographic origin and early migration of anatomically modern humans (Homo sapiens)..

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The Evolution of Early Man