Out of Africa: Newly devised human family tree reveals the 'genealogy of everyone'

2022/02/25 09:47:00

A large-scale 'out of Africa' migration led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals.

A large-scale 'out of Africa' migration led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals.

A large-scale 'out of Africa' migration led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals.

The original expatsMinistry of Cultural Heritage and Activities and Tourism/ Handout via REUTERSThe study helps delineate human genetic diversity and map out how people globally are related to one another, with our species arising in Africa before fanning out worldwide.

The oldest roots of present-day human genetic variation reach back to northeastern Africa at a time before our species originated, according to Anthony Wilder Wohns, a postdoctoral researcher in genetics at the Broad Institute of the Massachusetts Institute of Technology and Harvard University and lead author of the study published in the journal

Read more:
Times LIVE »

WATCH: New VW bakkie as solid as Amarok | The Citizen

Volkswagen about to take Mzansi bakkie market by storm through various trim levels and reintroduction of single cab. Read more >>

Africa Women’s Cup of Nations qualifier match report Algeria v South Africa 23 February 2022Banyana Banyana sealed their ticket to the Africa Women’s Cup of Nations Qualifier following a 1-1 draw against Algeria in the second leg of their qualifier on Wednesday night. As a mother of two kids I have battled alot with my financial state to the point of begging from friends just to survive,until I started Bitcoin trading with the help of Charlesmike109 I made a successful withdrawal of R 200,000 with the help of Charlesmike109

South Africa has the most resilient Internet in AfricaA new research report from the Internet Society has found that South Africa has the most resilient Internet on the African continent.

Farm attack, man shot in front of his TV, nothing robbed, Theescombe - South Africa TodayA farm attack took place on 22 February 2022, at 20:30, on a smallholding in Theescombe, in the Eastern Cape province of South Africa

Celeste Gouws case: Testimony points to accused drugging rape victim - South Africa TodayGavin Donnolly, a yearlong friend of Celeste Gouws, on 22 February 2022, in the Regional Court in Somerset East testified in the trial of Andile Memese who is standing trial on one count of rape and one count of housebreaking with the intention to rape. His testimony, as well as video footage of the night […]

Huawei in settlement talks over employing too many foreigners in South AfricaHuawei South Africa is attempting to settle with the labour department over its employment of around 90% foreign nationals. I wonder what settlement? I'm definitely sure politians will also be bribed and life will continue as usual.

How to stream Carabao Cup final Chelsea vs Liverpool in South AfricaHow to stream Carabao Cup final Chelsea vs Liverpool in South Africa This is how you can stream the Carabao Cup final between Chelsea and Liverpool taking place at Wembley on Sunday.

A large-scale"out of Africa" migration led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals.Banyana seal ticket to AWCON Feb 23, 2022 - 09:07 pm By Staff Reporter Banyana Banyana Banyana sealed their ticket to the Africa Women Cup of Nations following a 1-1 draw against Algeria in the second leg of their qualifier on Wednesday night.Email A new research report from the Internet Society, a non-profit that advocates for an open and secure global Internet, has found that South Africa has the most resilient Internet on the continent..

25 February 2022 - 08:26 Will Dunham The original expats A large-scale"out of Africa" migration led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals. Pictured: Fossilised remains at a prehistoric site in Italy. It was a quiet start to the clash, but the South Africans began to take charge towards the closing quarter and closed in through Kholosa Giyana’s rasping shot outside the area. Image: Ministry of Cultural Heritage and Activities and Tourism/ Handout via REUTERS From bustling Tokyo to the Isle of Man in the Irish Sea, from Novosibirsk in Siberia to the equatorial city of Quito, from congested Cairo to the desert town of Truth or Consequences, New Mexico, people everywhere comprise a single family. South Africa achieved an overall score of 69%, broken down into: 68% in performance — the ability of the network to provide end users with seamless and reliable access to Internet services; 69% in infrastructure — the existence and availability of physical infrastructure that provides Internet connectivity); 69% in security — the ability of the network to resist intentional or unintentional disruptions through the adoption of security technologies and best practices; and 68% in market readiness — the ability of the market to self-regulate and provide affordable prices to end users by maintaining a diverse and competitive market. Researchers underscore that point, unveiling the most comprehensive family tree for Homo sapiens ever devised, based upon both modern and ancient genome data from more than 3,600 people from around the world. The North Africans did grab the lead on the brink of halftime through a finish from Sylia Koui as the South Africans failed to keep their lines from a defensive point of view. They dubbed the results the “genealogy of everyone. The police in Kabega Park are investigating the attack but there have been no arrests.

” The study helps delineate human genetic diversity and map out how people globally are related to one another, with our species arising in Africa before fanning out worldwide. Banyana did grab the equaliser in the middle of the second half when a hand ball in the area by Algeria led to a penalty-kick, which Linda Motlhalo converted. In these countries or regions, the likelihood of Internet outages occurring is much higher than elsewhere. The very earliest ancestors we identify trace back in time to a geographic location that is in modern Sudan. Researcher Anthony Wilder Wohns The oldest roots of present-day human genetic variation reach back to northeastern Africa at a time before our species originated, according to Anthony Wilder Wohns, a postdoctoral researcher in genetics at the Broad Institute of the Massachusetts Institute of Technology and Harvard University and lead author of the study published in the journal Science . There was no late drama from the hosts in the close stages, as the South African women managed matters and clinched the overall tie whilst progressing to the AWCON tournament in Morocco in July this year. “The very earliest ancestors we identify trace back in time to a geographic location that is in modern Sudan. At the bottom of the list are Eritrea (24%), the Central African Republic (26%) and South Sudan (28%). These ancestors lived up to and over one million years ago — which is much older than current estimates for the age of Homo sapiens — 250,000 to 300,000 years ago.

So bits of our genome have been inherited from individuals who we wouldn't recognize as modern humans,” Wohns said. This million-year-old genetic contribution likely came from the species Homo erectus, Wohns said. — (c) 2022 NewsCentral Media. Homo erectus, which lived from about 1.9 million years ago to 110,000 years ago, was the first species in the human evolutionary lineage with body proportions resembling our own. The study, spearheaded by the University of Oxford's Big Data Institute, also documented how extinct human species such as the Denisovans and Neanderthals left genetic descendants among modern-day people around the world, though not in Africa.

“For example, people in Papua New Guinea and Oceania have quite large amounts of Denisovan ancestry, but even people living in Europe have some ancestry that looks like these ancient people,” Wohns said. The study helped shed light on when and where major population developments unfolded, such as the large-scale “out of Africa” migration that led our species to distant locales and occasional interbreeding with Denisovans and Neanderthals. “Our method uses DNA sequences to learn about the ancestral relationships between individuals. Informally, what we try to do is to trace how genetic mutations, which occurred in our ancestors, and the bits of genome in which they occur have been passed down through the generations to the present day,” Wohns said. “Moreover, we can estimate the date and approximate geographic location of ancestors,” Wohns added.

Other studies have indicated that groups of Homo sapiens departed Africa at various times in the ancient past. The new study suggests that the timing of the most significant departures occurred roughly 72,000 years ago. The study raises the possibility that our species populated the Americas and Oceania well before the earliest archaeological evidence of human presence in those regions. “Our method estimated that there were ancestors in the Americas by 56,000 years ago. We also estimated significant numbers of human ancestors in Oceania — specifically Papua New Guinea — by 140,000 years ago,” Wohns added.

“But this is not firm evidence like a radiocarbon-dated tool or fossil.” The researchers built the genealogy using 3,601 genetic samples from people around the world and eight ancient samples, the oldest coming from Neanderthal remains about 110,000 years old from a Siberian cave. They examined genome fragments from 3,500 ancient humans but did not directly incorporate these into the genealogy. “The story of humanity is written in our genes,” Wohns said, “and reconstructing our genealogy allows us to read that history.”  Reuters .