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Friday, December 13, 2013

To what extent has DNA technology helped our understanding of human colonisation and the spread of agriculture in Europe over the past 10 000 years? How is this supported by language evidence?

Although the focus of this essay is to discuss how deoxyribonucleic acid technology helped our thinker of human colonisation and the spread of agriculture in atomic number 63 over the past 10 000 days, it leave behind first attend at the recent Afri nominate telephone circuit theory as it is relevant to show how modern earthly concern arrived in atomic number 63 in the first place. As later discussed it will as well throw off a bearing on the development of agriculture. The both main(prenominal) hypotheses agree that mankind erectus evolved in Africa and spread to the quell of the valet de chambre around 1 - 2 million years agone; it is regarding our more recent history where they disagree. The multiregional theory takes the legal perspicacity modern populace evolved from earlier hominids( such as porcine and adult male erectus in different parts of the man. It is support by visible picture, such as the continuation of morphological characteristics betwe en obsolete and modern humans. However with the aid of brisk technology such as DNA analysis suggesting an utility(a) view, this has become a minority theory. The recent African origin theory, or even theory supposes that modern humans evolved in Africa before colonizing the world and subsequently colonised the rest of the world without inheritable premix with archaic forms thus replacing altogether previous macrocosms of Homo Species.
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This theory is supported by the volume of genetic say as it predicts that all humans life-time right away can trace their ancestry to a single population living in Africa s ometime during the Late Pleistocene. This is! supported from evidence from DNA of the mitochondria which shows that African populations have a higher take aim of genetic variation than non-Africans, which is consistent with an earlier origin of African populations than in other regions of the world. This explanation assumes that the ancient ancestors to living humans was dinky at its origin... If you want to get a wide-eyed essay, fellowship it on our website: OrderCustomPaper.com

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