Sentences with phrase «ancestral populations for»

This doesn't change for thousands of years as these populations remain in apparent isolation in the shelter of the mountains — possibly cut off from other major ancestral populations for as long as 15,000 years — until migrations began again as the Glacial Maximum recedes, and the Yamnaya culture ultimately emerges.

Let's say that a species migrates out of Africa into Europe around 400,000 years ago and becomes reproductively isolated from its ancestral population for the next 320,000 years.

Not exact matches

Genetic evidence offers impressive support for human evolution and also strongly suggests that our ancestral population has never been smaller than about 10,000, «Mitochondrial Eve» and «Y - chromosome Adam» notwithstanding.

As such, I've developed recipes from all over the world, highlighting the unique ancestral makeup of the US population (and giving similar consideration for readers living in countries with historically high immigration, like Canada and Australia).

In the presence of the authorities and distinguished figures, the Basque Government's Councillor for Economic Development and Infrastructure, Arantxa Tapia, awarded the Colombian chef Leonor Espinosa with the prize for her work within Funleo, a «Gastronomy for Development» foundation that aims to restore and promote the ancestral knowledge of communities, especially indigenous and afro - Colombian populations.

Using this information, and assuming that the ancestral population was 10 000, and the generation time for the ancestors was 20 years, Rogers calculated that the two branching events occur - red within 115 000 to 300 000 years.

While the authors found evidence for gene flow between sampled groups, the ancestral population of Aboriginal Australians started to become structured around 31» 000 years ago thus creating the genetic diversity observed today.

With crowdfunded projects such as American Gut, which already has thousands of participants who have had their microbiomes sequenced, and studies of people whose lives are very different from modern Western civilization, such as the Hadza of Tanzania, Yanomami of Venezuela and Matsés of Peru, we may be able to replenish our ancestral microbes and discover new ones that help to maintain health for individuals or entire populations.

We analyse 25 diverse groups in India to provide strong evidence for two ancient populations, genetically divergent, that are ancestral to most Indians today.

Alu - insertion polymorphisms are a boon for the study of human population genetics and primate comparative genomics because they are neutral genetic markers of identical descent with known ancestral states.

When mapping samples from groups not present in the tree, as is the case for samples from Kent and Orkney, we find that they map onto the same ancestral location as the Iron Age samples (Supplementary Fig. 11), confirming that they are of distinct ancestry from the Cornish population and other populations used in building the tree, similarly to the Iron Age samples.

Number one is that observations about our ancestors in hunter - gatherer diets show that approximate ratio in most folks: the 20 % carbs, 65 % fat, 15 % proteins granted there are some populations like the Katabans and the Pacific islanders and people like that who gets 60, 70, 80 % carbohydrate but most of them are handling that diet quite well because of their genetic propensity, increased activity of a lot of the enzymes responsible for digesting and assimilating carbohydrates probably better insulin sensitivity and pancreatic production of insulin as well but in most folks we see that this type of diet from just an observational standpoint and an ancestral standpoint works well.

With the world's largest population of Pacific walruses and the highest density of ancestral polar bear dens, Wrangel Island offers incredible opportunities for wildlife viewing.