Faces of Africa

Bawon Samedi

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Although the study's main focus was on Africa, Tishkoff and her colleagues studied DNA markers from around the planet, identifying 14 "ancestral clusters" for all of humanity. Nine of those clusters are in Africa. "You're seeing more diversity in one continent than across the globe," Tishkoff said.
Study Finds Africans More Genetically Diverse Than Other Populations
 

Bawon Samedi

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Genotype/Phenotype Association Studies
For many of the individuals for which we have obtained DNA, we also collected phenotype data for traits likely to play a role in adaptation, some of which demonstrate a complex pattern of inheritance and are likely influenced by multiple loci and environmental factors. In addition to case/control analyses of variation at candidate genes, we are using whole-genome association studies to identify novel genes that are associated with these traits. Together with collaborators, we are also developing methods for mapping complex traits (including disease) in highly structured African populations.
Department of Genetics: Sarah A. Tishkoff
--Sarah Tishkoff, Ph.D


The Evolution of Human Genetic and Phenotypic Variation in Africa

Africa is the birthplace of modern humans, and is the source of the geographic expansion of ancestral populations into other regions of the world.

Indigenous Africans are characterized by high levels of genetic diversity within and between populations. The pattern of genetic variation in these populations has been shaped by demographic events occurring over the last 200,000 years.

The dramatic variation in climate, diet, and exposure to infectious disease across the continent has also resulted in novel genetic and phenotypic adaptations in extant Africans.

This review summarizes some recent advances in our understanding of the demographic history and selective pressures that have influenced levels and patterns of diversity in African populations.

Africa not only has the highest levels of human genetic variation in the world but also contains a considerable amount of linguistic, environmental and cultural diversity. For example, more than 2,000 distinct ethno-linguistic groups, representing nearly a third of the world’s languages, currently exist in Africa

The timing and duration of some of these demographic events were often correlated with known major environmental changes and/or cultural developments in Africa [6].

A number of novel genetic and phenotypic adaptations have also evolved in Africans in response to dramatic variation in environment, diet, and exposure to infectious disease across the continent.

In some cases, these adaptations have occurred in the last several thousand years, exemplifying the ongoing evolution of human populations.

Thus, present-day patterns of variation in African genomes are a product of both demographic and selective events.
The Evolution of Human Genetic and Phenotypic Variation in Africa

--Sarah Tishkoff, Ph.D


Its just science brehs...
 

Bawon Samedi

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Which is why you have Africans that can look like this.
32b6dda1ca9a7311a3beead12075c8c8.jpg

^^^^Totally indigenous isolated Nama people who are a subgroup the larger Khoisan.

Meanwhile people outside of Africa show less variation due to these groups of people were existing out of small pockets, only a few hundred.
2m4r37q.jpg


People outside of Africa like Europeans show less variation:
europe.0.jpg


Vs...

9c8d5bda.jpg
 

KingFreeman

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No homo but the Masai cats look like they could be models or high-level actors or something similar. Anyone else see this?
 

Raptor

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No homo but the Masai cats look like they could be models or high-level actors or something similar. Anyone else see this?
:yeshrug:I can see why some white women fetishize massai men. Alot of them have super model look. And theyre all over 6 foot 2
images



MaasaiMan.jpg


saruni_samburu_men.jpg
 
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KingFreeman

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:yeshrug:I can see why some white women fetishize massai men. Some of them have super model look. And theyre all over 6 foot 2
images



MaasaiMan.jpg


saruni_samburu_men.jpg

So true. Cacettes at my uni would flip shyt and some whiteboys would be stumbling over each other tryna rally the supremacist wagons if this dude gave their women the :shaq:
89bc0702dff535bc381e4e998a48bb19.jpg
 

Raptor

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So true. Cacettes at my uni would flip shyt and some whiteboys would be stumbling over each other tryna rally the supremacist wagons if this dude gave their women the :shaq:
89bc0702dff535bc381e4e998a48bb19.jpg
:banderas:Just imagine opening up a modelling agency company in East Africa. Get some of the baddest habesha women and Massai men in the region to model for Luis Vutton and Channel as that look is popular these days :win:And i get most of the cut for bringing them into the west.
57076711.gif
 
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