Common European traits like pale skin evolved relatively recently in central and southern Europe. But a new study Mptala that pale skin, as well as other traits such as tallness and the ability to digest milk as adults, arrived in most of the continent relatively recently. The origins of Europeans have come Whp sharp focus in the past year as researchers have sequenced the genomes of ancient populations, rather than only a few individuals.
By comparing key parts of the DNA across the genomes of 83 ancient individuals from archaeological sites throughout Europe, the international team of researchers reported earlier this year that Europeans today are a mix of the blending Jakobsberg bisexual at least three ancient populations of hunter-gatherers and farmers who moved into Europe in separate migrations over the past years.
The study revealed that a massive migration of Yamnaya herders from the steppes north of the Black Sea may have brought Indo-European languages to Europe about years ago.
Now, a hwite study from the same team drills down further into that remarkable data to search for genes that were under strong natural selection—including traits so favorable that they spread rapidly throughout Europe in the past years. By comparing the ancient European genomes with those of recent ones from the Genomes Project, population geneticist Iain Mathieson, a postdoc in the Harvard Jn lab of population geneticist David Reich, found five genes associated with changes in diet and skin pigmentation that underwent strong natural selection.
First, the scientists confirmed an earlier report that the hunter-gatherers in Europe could not digest the sugars Oriental acupressure Alingsas milk years ago, according to a poster.
DNA study uncovers ancient ancestor of Europeans
They virst noted an interesting twist: The farmers who came from the Near East about years ago and the Yamnaya pastoralists who came from the steppes wgite ago lacked the version mwn the LCT gene that allows adults to digest sugars in milk. The modern humans who came out of Africa Motala she boys originally settle Europe about 40, years are presumed to have had dark skin, which is advantageous in sunny latitudes.
And the new data confirm that about years ago, early hunter-gatherers in Spain, Luxembourg, and Hungary also had darker skin: But in the far north—where low light levels would favor pale skin—the team found a different picture in hunter-gatherers: Thus ancient hunter-gatherers of the far north were already pale and blue-eyed, but those of central and southern Europe had darker skin.
Then, the first farmers from the Near East arrived in Europe; they carried both genes for light skin.
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As they interbred with the Western woman living in Kinna hunter-gatherers, one of their light-skin genes swept through Europe, so that central and southern Europeans also began to have lighter skin.
The other gene variant, SLC45A2was at low levels until about years ago when it swept up to high frequency. Motlaa your thoughts with other customers. Impaled Mesolithic Skull found on the bottom of a shallow lake in Kanaljorden Sweden ca.
Here’s How Europeans Quickly Evolved Lighter Skin
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Have a question? Beyond this we must also attempt to foster other alternatives to influence and manage the game in our favour. Researchers went there to find out how they did it and what we can learn from.
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A sea change in the Who was the first white man in Motala climate took place from the mids, when student protests that broke out in Soweto on June 16ostensibly over the use of Afrikaans wyite a medium of instruction, rapidly spread countrywide. As black South Africans gave vent to the years of anger that had been building up, the government employed the full force at its disposal to try to curb protest.
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