|
Haplogroup E1b1a (Y-DNA)
Haplogroup E-V38, also known as E1b1a-V38, is a major human Y-chromosome DNA haplogroup. E-V38 is primarily distributed in Africa. E-V38 has two basal branches, E-M329 and E-M2. E-M329 is a subclade mostly found in East Africa. E-M2 is the predominant subclade in West Africa, Central Africa, Southern Africa, and the region of African Great Lakes; it also occurs at moderate frequencies in North Africa, West Asia, and Southern Europe. Origins The discovery of two SNPs (V38 and V100) by Trombetta et al. (2011) significantly redefined the E-V38 phylogenetic tree. This led the authors to suggest that E-V38 may have originated in East Africa. V38 joins the West African-affiliated E-M2 and the Northeast African-affiliated E-M329 with an earlier common ancestor who, like E-P2, may have also originated in East Africa. The downstream SNP E-M180 may have originated in the humid south-central Saharan savanna/grassland of North Africa between 14,000 BP and 10,000 BP. According to Wood et al ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
East Africa
East Africa, also known as Eastern Africa or the East of Africa, is a region at the eastern edge of the Africa, African continent, distinguished by its unique geographical, historical, and cultural landscape. Defined in varying scopes, the region is recognized in the United Nations Statistics Division United Nations geoscheme for Africa, scheme as encompassing 18 sovereign states and 4 territories. It includes the Horn of Africa to the North and Southeastern Africa to the south. Definitions In a narrow sense, particularly in English-speaking contexts, East Africa refers to the area comprising Kenya, Tanzania, and Uganda, largely due to their shared history under the Omani Empire and as parts of the British East Africa Protectorate and German East Africa. Further extending East Africa's definition, the Horn of Africa—comprising Djibouti, Eritrea, Ethiopia, and Somalia—stands out as a distinct geopolitical entity within East Africa.Robert Stock, ''Africa South of the Sahara, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haplogroup
A haplotype is a group of alleles in an organism that are inherited together from a single parent, and a haplogroup (haploid from the , ''haploûs'', "onefold, simple" and ) is a group of similar haplotypes that share a common ancestor with a single-nucleotide polymorphism mutation. More specifically, a haplotype is a combination of alleles at different chromosomal regions that are closely linked and tend to be inherited together. As a haplogroup consists of similar haplotypes, it is usually possible to predict a haplogroup from haplotypes. Haplogroups pertain to a single line of descent. As such, membership of a haplogroup, by any individual, relies on a relatively small proportion of the genetic material possessed by that individual. Each haplogroup originates from, and remains part of, a preceding single haplogroup (or paragroup). As such, any related group of haplogroups may be precisely modelled as a nested hierarchy, in which each set (haplogroup) is also a subset of a si ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gambia
The Gambia, officially the Republic of The Gambia, is a country in West Africa. Geographically, The Gambia is the List of African countries by area, smallest country in continental Africa; it is surrounded by Senegal on all sides except for the western part, which is bordered by the Atlantic Ocean.Hoare, Ben. (2002) ''The Kingfisher A–Z Encyclopedia'', Kingfisher Publications. p. 11. . Its territory is on both sides of the lower reaches of the Gambia River, which flows through the centre of the country and empties into the Atlantic. The national namesake river demarcates the elongated shape of the country, which has an area of and a population of 2,769,075 people in 2024 which is a 47% population increase from 2013. The capital city is Banjul, which has the most extensive metropolitan area in the country. The second and third-largest cities are Serekunda and Brikama. Arab Muslims, Arab Muslim merchants traded with indigenous West Africans in The Gambia throughout the 9th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Senegambian
The Senegambia (other names: Senegambia region or Senegambian zone,Barry, Boubacar, ''Senegambia and the Atlantic Slave Trade'', (Editors: David Anderson, Carolyn Brown; trans. Ayi Kwei Armah; contributors: David Anderson, American Council of Learned Societies, Carolyn Brown, University of Michigan. Digital Library Production Service, Christopher Clapham, Michael Gomez, Patrick Manning, David Robinson, Leonardo A. Villalon), Cambridge University Press (1998) p. 5,(Retrieved 15 March 2019) Senegàmbi in Wolof language, Wolof and Pulaar, Senegambi in Serer) is, in the narrow sense, a historical name for a geographical region in West Africa, named after the Senegal River in the north and the Gambia River in the south. However, there are also text sources which state that Senegambia is understood in a broader sense and equated with the term the Western region. This refers to the coastal areas between Senegal and Sierra Leone, where the inland border in the east was not further defi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Slavery In Portugal
Slavery in Portugal existed since before the country's formation. During the pre-independence period, inhabitants of the current Portuguese territory were often enslaved and enslaved others. After independence, during the existence of the Kingdom of Portugal, the country played a leading role in the Atlantic slave trade, which involved the mass trade and transportation of slaves from Africa and other parts of the world to the Americas. The import of black slaves was banned in European Portugal in 1761 by the Marquis of Pombal, and at the same time, the trade of black slaves to Brazil was encouraged, with the support and direct involvement of the Marquis. Slavery in Portugal was only abolished in 1869. The Atlantic slave trade began circa 1336 or 1341, when Portuguese traders brought the first canarian slaves to Europe. In 1526, Portuguese mariners carried the first shipload of African slaves to Brazil in the Americas, establishing the triangular Atlantic slave trade. Histor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Portugal
Portugal, officially the Portuguese Republic, is a country on the Iberian Peninsula in Southwestern Europe. Featuring Cabo da Roca, the westernmost point in continental Europe, Portugal borders Spain to its north and east, with which it shares Portugal-Spain border, the longest uninterrupted border in the European Union; to the south and the west is the North Atlantic Ocean; and to the west and southwest lie the Macaronesia, Macaronesian archipelagos of the Azores and Madeira, which are the two Autonomous Regions of Portugal, autonomous regions of Portugal. Lisbon is the Capital city, capital and List of largest cities in Portugal, largest city, followed by Porto, which is the only other Metropolitan areas in Portugal, metropolitan area. The western Iberian Peninsula has been continuously inhabited since Prehistoric Iberia, prehistoric times, with the earliest signs of Human settlement, settlement dating to 5500 BC. Celts, Celtic and List of the Pre-Roman peoples of the Iberia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pentawere
Pentawer (also Pentawere and Pentaweret) was an ancient Egyptian prince of the 20th Dynasty, a son of Pharaoh Ramesses III and his secondary wife, Tiye., p.193 He was involved in the so-called " harem conspiracy", a plot to kill his father and place him on the throne. The details of his trial are recorded in the Judicial Papyrus of Turin; he committed suicide following his trial. A candidate for his body is a mummy known as "Unknown Man E", discovered in the Deir el-Bahari cache in 1881. This mummy is unusual as it was found wrapped in a sheep or goat skin and was improperly mummified, being left with all his organs. Bob Brier has suggested that this mummy does indeed belong to the disgraced prince; DNA analysis has confirmed a father-son relationship with Pentawer's known father, Ramesses III, with both sharing the same Y chromosomal haplogroup and half of their DNA. Conspiracy The actual name of this prince is unknown, "Pentawer" being a pseudonym given to him on the Judici ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ramesses III
Usermaatre Meryamun Ramesses III was the second Pharaoh of the Twentieth dynasty of Egypt, Twentieth Dynasty in Ancient Egypt. Some scholars date his reign from 26 March 1186 to 15 April 1155 BC, and he is considered the last pharaoh of the New Kingdom of Egypt, New Kingdom to have wielded substantial power. His long reign saw the decline of Egyptian political and economic power, linked to a series of invasions and internal economic problems that also plagued pharaohs before him. This coincided with a decline in the cultural sphere of Ancient Egypt. However, his successful defense was able to slow down the decline, although it still meant that his successors would have a weaker military. He has also been described as a "warrior Pharaoh" due to his strong military strategies. He led the way by defeating the invaders known as "the Sea Peoples", who had caused destruction in other civilizations and empires. He was able to save Egypt from collapsing at the time when Late Bronze Age c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ancient Egypt
Ancient Egypt () was a cradle of civilization concentrated along the lower reaches of the Nile River in Northeast Africa. It emerged from prehistoric Egypt around 3150BC (according to conventional Egyptian chronology), when Upper and Lower Egypt were amalgamated by Menes, who is believed by the majority of List of Egyptologists, Egyptologists to have been the same person as Narmer. The history of ancient Egypt unfolded as a series of stable kingdoms interspersed by the "Periodization of ancient Egypt, Intermediate Periods" of relative instability. These stable kingdoms existed in one of three periods: the Old Kingdom of Egypt, Old Kingdom of the Early Bronze Age; the Middle Kingdom of Egypt, Middle Kingdom of the Middle Bronze Age; or the New Kingdom of Egypt, New Kingdom of the Late Bronze Age. The pinnacle of ancient Egyptian power was achieved during the New Kingdom, which extended its rule to much of Nubia and a considerable portion of the Levant. After this period, Egypt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sickle Cell Mutation
Sickle cell disease (SCD), also simply called sickle cell, is a group of inherited haemoglobin-related blood disorders. The most common type is known as sickle cell anemia. Sickle cell anemia results in an abnormality in the oxygen-carrying protein haemoglobin found in red blood cells. This leads to the red blood cells adopting an abnormal sickle-like shape under certain circumstances; with this shape, they are unable to deform as they pass through capillaries, causing blockages. Problems in sickle cell disease typically begin around 5 to 6 months of age. A number of health problems may develop, such as attacks of pain (known as a sickle cell crisis) in joints, anemia, swelling in the hands and feet, bacterial infections, dizziness and stroke. The probability of severe symptoms, including long-term pain, increases with age. Without treatment, people with SCD rarely reach adulthood but with good healthcare, median life expectancy is between 58 and 66 years. All of the major org ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Green Sahara
The African humid period (AHP; also known by other names) was a climate period in Africa during the late Pleistocene and Holocene geologic epochs, when northern Africa was wetter than today. The covering of much of the Sahara desert by grasses, trees and lakes was caused by changes in the Earth's axial tilt, changes in vegetation and dust in the Sahara which strengthened the African monsoon, and increased greenhouse gases. During the preceding Last Glacial Maximum, the Sahara contained extensive dune fields and was mostly uninhabited. It was much larger than today, and its lakes and rivers such as Lake Victoria and the White Nile were either dry or at low levels. The humid period began about 14,600–14,500 years ago at the end of Heinrich event 1, simultaneously to the Bølling–Allerød warming. Rivers and lakes such as Lake Chad formed or expanded, glaciers grew on Mount Kilimanjaro and the Sahara retreated. Two major dry fluctuations occurred; during the Younger Dryas ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Khoisan
Khoisan ( ) or () is an Hypernymy and hyponymy, umbrella term for the various Indigenous peoples of Africa, indigenous peoples of Southern Africa who traditionally speak non-Bantu languages, combining the Khoekhoen and the San people, Sān peoples. Khoisan populations traditionally speak click languages. They are considered to be the historical communities throughout Southern Africa, remaining predominant until Bantu and European colonisation. The Khoisan have lived in areas climatically unfavorable to Bantu (sorghum-based) agriculture, from the Dutch Cape Colony, Cape region to Namibia and Botswana, where populations of Nama people, Nama and Damara people, Damara people are prevalent groups. Considerable mingling with Bantu-speaking groups is evidenced by prevalence of click phonemes in many Wilhelm Bleek, Southern African Bantu languages, especially Xhosa. Many Khoesan peoples are the descendants of an early dispersal of anatomically modern humans to Southern Africa before 1 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
