Sentences with phrase «ancestral groups»

Studies of genetic markers that are distinctive to ancestral groups show that typical African Americans have 20 percent European blood, although that figure can go as high as 80 percent in some people who call themselves black.

Did they all descend from the same founding population, or could he tease apart DNA passed down from different ancestral groups?

«Nearly all Europeans have ancestry from all three ancestral groups,» says Iosif Lazaridis from Harvard Medical School.

A zoologist can, to be sure, identify the body parts in the ancestral groups that gave rise to new organs and functions in the derived classes.

In contrast, populations that have undergone dramatic size reductions or rapid expansions in the past and populations formed by the mixture of previously separate ancestral groups can have unusually high levels of linkage disequilibrium (Nordborg and Tavare 2002).

This «Jesus» couldn't even be bothered to convince his own ethnic / religious / ancestral group of his godhood, which should have been easy - peasy at the time.

The study also suggests butterflies are the ancestral group to the tens of thousands of moth species on the planet, and the Hedylidae family, commonly known as American butterfly - moths, were dismissed as moths and found to be true butterflies.

«It doesn't mean that most Native American languages are related to each other, it just means that the populations that speak those languages descend from a single ancestral group,» says Reich.

The groups that evolved into bonobos, chimps, and humans all retained slightly different subsets of this ancestral population's diverse gene pool — and those differences now offer clues today to the size and range of diversity in that ancestral group.

«There was a single ancestral group of organisms, and some split off to become fungi and some split off to become animals.»

Humans vary genetically to in how much they and their ancestral group are adapted to digest starch.

The evidence does not establish that at sovereignty, WDCB laws and customs provided for an ancestral group of the Wongatha Claim group to possess group rights and interests in the Wongatha Claim area, or for individuals to be able to form themselves into a group possessing such rights and interests.

Not exact matches

Around 200,000 years later, a small group from our own ancestral line ventured out of Africa and bred with Neanderthals.

C. For the third group of 500 sick people, Australian Aboriginals performed traditional ceremonies to their ancestral spirits that their condition would improve.

They were in a group of Luos moving from the Rift Valley to Western Kenya which is Ancestral home for the Luos.

The urgency to barricade oneself from «outsiders» or «intruders» is largely based on fear and ancestral predispositions, which regard belonging to a tribe, a group, or family as pivotal to survival and reproduction.

The Ewe tribe in Ghana has one of its ancestral homes in Togo, and it is the largest tribal group in Togo.

Spokesman for the group, Dr Benjamin Agbede, said they decided to cry out because there appeared to be an orchestrated plot to force them out of their ancestral land.

Each of these groups was genetically distinct, but the profiling indicated that all Indians spring from one of two populations: Ancestral North Indians (ANI), who are genetically close to Europeans, and Ancestral South Indians, who are distinct from both east Asians and ANI (Nature, DOI: 10.1038 / nature08365).

Two study aims were to use novel whole - genome sequence data to (1) study possible correlations between language groups and genetic clustering, and (2) investigate the ancestral compositions of these individuals, including maternal and paternal lineages.

«Although we saw some of the hallmark characteristics of bilateral growth and development, we don't believe Dickinsonia was a precursor to today's bilaterians, rather that these are two distinct groups that shared a common set of ancestral genes that are present throughout the animal lineage,» Evans said.

But in certain cases, Garrett and Chang's group declared that one language was directly ancestral to another and put that into their tree as a certainty.

Their further analysis also provide evidence on the ancestral status of the Indian group, which holds great potential for introducing new alleles into the cultivated gene pool.

This week we report on the genome sequence of a boy from 12,600 years ago whose family were ancestral to all Native American groups, from both North and South America.

In sum, it seems like at least two highly divergent groups became the world's first famers: the Zagros people of the Neolithic eastern Fertile Crescent that are ancestral to most modern South Asians and the Aegeans that colonized Europe some 8,000 years ago.

The comparative study, by University of Cambridge researchers Dieter Lukas and Tim Clutton - Brock, shows that the ancestral system for all mammalian groups is of females living in separate ranges with males defending overlapping territories, and that monogamy evolved where males were unable to monopolise and defend multiple females.

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.

The analysis suggested that modern Africans are descended from 14 ancestral populations, which generally correlate with known language and cultural groups.

Gilles Laurent and his group study the reptilian brain because of its simpler, ancestral design, to understand cortical function, dynamics and computation.

Whenever a group left the ancestral African population, they took with them only a fraction of the total variation present in the cradle of humanity.

Alliances with dominant men might benefitted ancestral males when competing against rival groups and improved the social rank of the male who selected a dominant ally.

This confirms that these two species of African apes are still highly similar to each other genetically, even though their populations split apart in Africa about 1 million years ago, perhaps after the Congo River formed and divided an ancestral population into two groups.

His group next plans to look in more detail at what the ancestral Y chromosome genes do, where they're expressed in the body, and which are required for an organism's survival.

Some genetic evidence now links three big groups to a single ancestral engulfment of chlorophyll c, Simpson says.

And even this broad ancestral difference underlines something important about enslaved Africans, according to Schroeder: They lived alongside other Africans who spoke different languages and came from different cultural groups.

The genetic data, which includes about one million markers across the genome, is compared among individuals, among populations, and between current and ancestral populations to determine hidden patterns of relatedness, sort individuals into groups that share genetic characteristics, and find correlations with genes of medical relevance.

This begins to explain the ancestral origins of the neural basis for the close coupling between vocal and pectoral / gestural signalling that is observed among many vertebrate groups, including humans.

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

Contribution to the understanding of how the evolution of gene families relates to functional divergence, including the fate of duplicated genes, horizontal transfer and interspecies hybridization, as well as the characterization of the ancestral patterns of evolution among archosaurs, and the discovery of the late acquisition of mitochondria in eukaryotes (Gabaldón's group, Science 2014, PLoS Biology 2015, PLoS Genetics 2015, Nature 2016).

Some uncertainty exists as to what groups of animals these fossils might represent, and, in fact, if they were ancestral to the multicellular organisms that appeared later in the Cambrian.

«Haramiyavia establishes the ancestral morphology for the haramiyid group, which can now be clearly placed at the base of the mammalian family tree.»

This indicates that portions of the 15 ancestral linkage groups inferred for the cnidarian — bilaterian ancestor22, 24 were already in place in the demosponge — eumetazoan ancestor.

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.

In both these experiments, across both blocks, ten mice were used for each of the four selection groups (two per subline), and five mice were used per ancestral line.

Latin liturgical rites, or Western liturgical rites, are the Catholic liturgical rites used within the Latin Church, that part of Catholic Church Latin language: Latin language, Indo - European language in the Italic group and ancestral to the modern Romance languages.

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The term refers to a panethnic group that includes diverse populations, which have ancestral origins in East.

Ethnic groups are more often linked by linguistic, cultural, ancestral, and national or regional ties.

Yet it lay within ancestral homelands of Shoshone, Bannock, Crow, and other tribal groups.

As co-chair of the CINMS Chumash Community Working Group and the independent Chumash Community Coalition, she works to bring the intertribal Chumash community together to discuss upcoming projects, issues, and events happening within Chumash ancestral lands and waters.