Youtube comments of 伝道 (@culto779).
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@Reece-3601 It is not a precise answer, and in general it is the other way around, sub-Saharans' dark skin is much more likely to produce melanin due to sun exposure, compared to Eurasians. However, it depends on which light skin genes you have, Europeans and Middle Eastern populations have genes like SLC24A5, SLC24A2, MATP, TYR, KIGT, ASIP, BNC2, East Asians have MC1R, KITG, ASIP, POU2F3, HYAL2 . Each gene causes some degree of skin tone, but they have different effects, some make you more likely to tan, others not, some like HYAL2 make your fair skin resistant to the stress of ultraviolet rays. Eurasians usually have various combinations at different frequencies of these genes. Neanderthals had MC1R, BNC2, POU2F3, HYAL2, East Asians inherited 70% of the skin gene variants from Neanderthals, but Europeans inherited BNC2 from Neanderthals.
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When the first humans left Africa 90 thousand years ago, they mixed with the Neanderthals in the Middle East, this gave rise to the Basal Eurasians, these Basal Eurasians were isolated for 30 thousand years in the Mesta Irani, then they spread throughout Europe and Asia , the Basal Eurasians who migrated to East and South Asia mixed again with the Denisovans, from this population the Eastern Basal Eurasians emerged. 25 thousand years ago, the DNA core of the Western Eurasians emerged, called Dzudzuana, who lived in the Caucasus and the Iranian Plateau. It was made up of 60% Paleolithic European DNA, 28% Basal Eurasian DNA, and the rest from Eastern and South Asian Basal DNA. 50 thousand years ago the Eastern Basalians migrated from Asia to Oceania, where they gave rise to the populations of Onge, Indigenous Australians, Melanesians, and Papuans. The Eastern Basals that remained in Asia experienced change, 17 thousand years ago the core of Eastern Asia emerged with Ark17, which represents the ancestors of the current Asians.
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@iraniandude2899 However, it depends on which light skin genes you have, Europeans and Middle Eastern populations have genes like SLC24A5, SLC24A2, MATP, TYR, KIGT, ASIP, BNC2, East Asians have MC1R, KITG, ASIP, POU2F3, HYAL2. Each gene causes a certain degree of skin tone, but they have different effects, some make you more likely to tan, some don't, some like HYAL2 make your fair skin resistant to the stress of UV rays. Eurasians usually have various combinations at different frequencies of these genes. Neanderthals had MC1R, BNC2, POU2F3, HYAL2, East Asians inherited 70% of the skin genetic variants from Neanderthals, but Europeans inherited BNC2 and from Neanderthals, also a variant of MC1R that causes red hair color
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@JohnK.-cj2nqThe truth is that we don't even know if the Basal Eurasians existed, we simply created a theory based on the DNA shared between living human populations and extinct human populations, in theory the Taforaf of North Africa have 66% of this DNA, then we have 76% in Dzudzuana (ancient population of the Caucasus), 50% shared DNA in European Hunter Gatherers, 50% in Natufians, 38% in Iranian Farmers. But we know that the Basal Eurasians had a gene called ATF3, a gene that the Neanderthals had and that the current Sub-Saharans have at very low frequencies, except for the populations of the North and the Horn of Africa, this gene is responsible for tissue repair. nervous and neuronal, but it is also replaceable for the long nose present mainly in Eurasians, Eastern Eurasians also have this gene but mutated, generating a shorter nose.
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Homo Sapiens, Homo Neanderthals, Homo Denisovan and Homo Erectus were humans, but of different species. Homo Sapiens emerged in the horn of Africa 220 thousand years ago, where they expanded, however the Africans who live today are different from these first Africans, Homo Sapiens have changed a lot in Africa, humans are genetically closest to the The first Homo Sapiens are the Khoisan or indigenous South Africans, these emerged 50 thousand to 70 thousand years ago, after the first Homo Sapiens, modern Africans emerged 30 thousand years ago with the expansion of the Bantues from West Africa, modern Europeans 6000 thousand years ago years and the Asians 11 thousand years ago, the Indigenous Australians 50 thousand years ago.
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Genetic models indicate that Neanderthals and Homo Sapiens diverged somewhere between 700,000 years ago and 500,000 years ago. We use the mitochondrial DNA and the Y Chromosome, since they are not recombinant to create approximate dates, the mitochondrial DNA and the Y Chromosome have a mutation between 5000 to 20,000 years, so we can create an imprecise but approximate date of the separation, Something interesting is that the Y chromosome tends to get smaller and smaller as it becomes more modern. The paternal lineages of the Neanderthals are A000 and the lineage of Khoisan or South African Hunter Gatherers is A2, this implies that Khoisan and Neanderthal have a common ancestor, the Denisovans had a super Archaic A0000 lineage, but their Autosomal DNA was very similar to the Neanderthals , perhaps the common ancestor of the Denisovans mixed with Late Homo Erectus in Asia.
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It depends on which light skin genes you have, Europeans and Middle Eastern populations have genes like SLC24A5, SLC24A2, MATP, TYR, KIGT, ASIP, BNC2, East Asians have MC1R, KITG, ASIP, POU2F3, HYAL2 . Each gene causes some degree of skin tone, but they have different effects, some make you more likely to tan, others not, some like HYAL2 make your fair skin resistant to the stress of ultraviolet rays. Eurasians usually have various combinations at different frequencies of these genes. Neanderthals had MC1R, BNC2, POU2F3, HYAL2, East Asians inherited 70% of the skin gene variants from Neanderthals, but Europeans inherited BNC2 from Neanderthals.
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No, Western Neanderthals were redheads with blue eyes. However, Neanderthals presented their own diversity, they could be divided into three large groups, Western Neanderthals, Eastern Neanderthals (Southeastern Europe and the Middle East), and Siberian Neanderthals (Central Asia and Siberia). Neanderthals lived for 400 thousand years, in those periods they developed increasingly robust traits, and genetic analyzes in Atapuerca (Spain) show that depending on the period, their characteristics varied, from dark-haired Neanderthals to red-haired, light-skinned to brown.
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The lineages of Homo Sapiens and the chimpanzee separated 7 million years ago, 4 million years ago ardipithecus appeared, they were very similar to the current apes but could walk upright, 2.5 million years ago Homo Habilidis appeared (the first Archaic Humans), these already had half the human brain capacity, and they already made very simple stone tools, from them the Homo Ergaster evolved in Africa 2 million years ago, from these Homo Erectus emerged, they were the first to emerge from Africa and spread throughout Eurasia, the Homo Erectus that stayed in Africa gave rise to Homo Hebilbergensis, the Hebilbergensis left Africa and evolved into the Neanderthals and Denisovans, the Denisovans have a mixture of Homo Erectus, the Hebilbergensis that stayed in Africa gave origin to Homo Sapiens, the Homo Sapiens that left Africa mixed a little with the Neanderthals and gave rise to the Eurasians, the ancient Eurasians emigrated to Asia where they mixed a little with the Denisovans giving rise to the Eastern Eurasians.
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@JohnK.-cj2nqThe first population of Homo Sapiens to arrive in Europe was Zlatý Kún, this individual had 35% Sub-Saharan admixture and 10% Neanderthal DNA, the rest of the DNA corresponds to the Basal lineage currently present in the indigenous North Africans, later they came to Europe, OASE 1 and Bachi Kiro, these populations had 100% Basal East Eurasian DNA, they were directly related to Tianyuan Man in China, and their Autosomal DNA was closer Onge and the Indigenous people of the Indian Subcontinent alive, then came Sunghir 1 ( Cro-magnon), his DNA was made up of 50% Basal Eurasian, he was related to the Europeans and the living Middle Eastern populations, but the direct ancestor of the Mesolithic European Hunter Gatherers was not him, it was Villabruna, a close cousin by Sunghir 1
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The Amerindians or popularly known as Native Americans, are a human group that lives from Canada to the tip of Chile, originated in Asia 20 thousand years ago, but evolved in Beringia and the Americas, 5000 years ago another human group arrived from Siberia more related to the current Siberians, known as the Inuit. The Amerindians sharing Beringian ancestry are similar to each other but not necessarily the same, there are variations, the physical characteristics of the Amerindians are similar to the Indigenous people of Southeast Asia, but they have some characteristics of Oceanic peoples such as the Australian Indigenous, such as their jaws and superciliary arches, and some Caucasoid characteristics (European / Middle East), such as a larger and elongated nose, and more sunken eyes, they are brown skinned and short on average.
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The first Europeans to arrive in the Americas were the Spanish, and with their arrival they brought viruses that killed most of the native population, however the Spanish married and had children with the survivors creating a new population, which is neither European nor Amerindian, it is Mestizo, which means it is approximately 50% and 50%. Currently the Mestizos are the genetic basis of the Hispanics / Latinos, however they also have a secondary component from Africa, coming from slavery. In the Caribbean the Amerindian ancestry almost completely disappeared, and was replaced by a population that is of EuroAfro ancestry and very little Amerindian DNA, unlike Latin America. In the North the population was also decimated by diseases, but apart from that, the survivors were expelled from their lands, in addition to a system of segregation, so Caucasian Americans have very little mixture and in general the little is of African origin.
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@JohnK.-cj2nq The African Ancestors mixed 90,000 years ago with the Neanderthals, their descendants were called Basal Eurasians, they lived in the Iranian Plateau and the North of the Arabian Peninsula, the Basals migrated to East Asia where the Denisovan population was almost extinct, but survived in small populations. We know this because the amount of remains is low, very low. These Basal Eurasians absorbed genes from the Neanderthals & Denisovan Hybrids, and from the pure Denisovan groups, the first individual found with their DNA is Tianyuan Man in China, their DNA shows affinity to all modern Eastern Eurasians, but closer to the Melanesians and Indigenous Australians, their K2 lineage mutated into NO, and NO mutated to O 36,000 years ago, O spread throughout Asia and displaced or diluted the DNA of the Ancient Homo Sapiens who lived in Asia, only surviving as groups isolated in the Southeast and Oceania.
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@Normalman777q No, I discriminated against him. The Eastern Basal Eurasians were the first humans to arrive in Asia, they are still alive today and are represented by Onge in South Asia, the Andaman Islands, analyzes found 2% Neanderthal DNA and 0% Denisovan DNA , the Onge phenotype is similar to that. of indigenous Australians and Melanesians. The ancient DNA of the Eastern Basal Man or Tianyuan, found in China 42 thousand years ago, reveals that he has 6% Neanderthal DNA and 0% Denisovan DNA, his Autosomal DNA is very similar to that of Onge, this indicates that, mix with the Denisovans It is more recent.
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@empemitheos The genetic history of Europe appears to be a history of replacement of populations, originating mainly from the Middle East or Western Asia, in multiple waves. The European culture was Aurignacian had C1a1 lineages and 35% Basal DNA similar to Onge, 30 thousand years ago, but mixed with the Gravettians who were carriers of Haplogroup I related to the Middle East, this gave rise to the Epigravettians, but these Epigravetians They mixed again with another population from Anatolia, giving rise to Villabruna (Western Hunter Gatherers), 8 thousand years ago the Anatolian Farmers entered Europe, and 6 thousand years ago from Russia the Yamnaya of the Pontic Steppe, the mixture between WHG , Anatilio and the Pontic Steppe, gave rise to today's Europeans.
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@Tate525 Europeans and Middle Eastern populations have genes like SLC24A5, SLC24A2, MATP, TYR, KIGT, ASIP, BNC2, East Asians have MC1R, KITG, ASIP, POU2F3, HYAL2 . Each gene causes some degree of skin tone, but they have different effects, some make you more likely to tan, others not, some like HYAL2 make your fair skin resistant to the stress of ultraviolet rays. Eurasians usually have various combinations at different frequencies of these genes. Neanderthals had MC1R, BNC2, POU2F3, HYAL2, KIGT East Asians inherited 70% of the skin gene variants from Neanderthals, but Europeans inherited BNC2 from Neanderthals.
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@Tate525 The main gene of the Neanderthals was MC1R and of the Western Eurasians it is SLC24A5, that of the Asians is the MC1R and KIGT gene. The light skin alleles were already present in all Eurasians, after the extinction of the Neanderthals, but their phenotypic expression was dark brown, because they had not yet eliminated the dark skin genes, the first individual is Dzudzuana to possess the SLC24A5 gene, the main gene for light skin in Western Eurasians, Dzudzuana is an individual from the Caucasus (Western Asia), Dzudzuana not only contributed to the alleles, but contributed to most of the DNA of Western Eurasians, this was closely related with Pinarbasi (Ancient Anatolian), Natufians (Ancient Middle East) and Iberomursians (Ancient North African).
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@Tate525 Slatý Kun, OASE Bachi Kiro, were the first Europeans, their DNA was Eastern Basal, similar to the extreme South of Asia and Oceania, their phenotype was more similar to the Indigenous people of the Indian Subcontinent, they had dark skin, and curly hair, but somewhat Interestingly, they had the Herc2 gene, a gene associated with light eyes. However, this European population continued to change or would be replaced. 39 thousand years ago, Kostenki 14 emerged in Russia. Their DNA is a combination of Baltic and Northeast with South Asia. Their DNA was already Western Eurasian. They also had dark brown skin. 36 thousand emerges Goyet had 62% Western Eurasian DNA and 38% Eastern Basal, a combination between the extreme North and Oceania (Onge, Indigenous Australians, Melanesians). 30 thousand years ago, Gravettians emerged, 100% Western Eurasian, with dark brown skin and wavy to curly hair, 25 thousand years ago in Western Asia, light skin emerged with Dzudzuana, 14 thousand years ago Villabruna emerged (ancestor of the Mesolithic Hunter Gatherers), 8000 years ago the Anatolians brought agriculture and introduced the SLC24A5 gene, 6000 years ago people of the Russian Steppe brought the Indo-European languages
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BNC2 is the Neanderthal gene that codes for light skin in Europeans and is present in 50% of the European population, the other 50% lack this gene, the main gene that codes for light skin in Western Eurasians (Europeans and Middle East) is the SLC24A5 gene that is present in all Western Eurasians. The Neanderthals were not homogeneous, in the last 100 thousand years before their extinction, there were three types of Neanderthals, the Western Neanderthals (most of Europe), the Eastern Neanderthals (Southern Europe and the Middle East), the Siberian Neanderthals ( Central Asia and Siberia), Neanderthals, like humans, varied in skin tones, from light skin and red hair to brown skin and dark hair, Neanderthals from the Middle East had browner skin tones due to a higher frequency of ultraviolet rays , but even Neanderthals in Europe varied, in Atapuerca (Spain), we found Neanderthals with different skin tones in the last 400 thousand years, we observed changes from browner skin and dark hair, to lighter skinned and red-haired versions.
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The lineage of the Superior Apes, 7 million ago, had a common ancestor with Chimpanzees and modern Humans, this lineage separated, giving rise to the Australopithecus, these gave rise to different species of Australopithecus, a lineage of them separated 2 years ago .5 million years ago, the rest of the Autralopithecus became extinct, this lineage gave rise to Homo Habilis, the first to have a hand similar to ours, but with a slightly larger brain than a chimpanzee, these gave rise to Homo Ergaster 1.8 million years ago, and Homo Ergaster gave rise to Homo Erectus, Homo Erectus was the first to leave Africa. The Homo Ergaster who stayed in Africa evolved into Homo Hebilbergensis 600 thousand years ago, the Homo Hebilbergensis left Africa again 500 thousand years ago, those who stayed gave rise to Homo Sapiens 200 thousand years ago, the Homo Hebilbergensis who left Africa Eurasia evolved into Neanderthals and Denisovans, 300 thousand years ago, the Erectus became extinct and were replaced by the Denisovans, 60 thousand years ago the Homo Sapiens left Africa and replaced the Neanderthals and the Denisovans.
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@iraniandude2899 If we talk about skin color genes, Eastern Eurasians derive most of their origin from Neanderthals, the main gene of Asians is MC1R, a gene that is also present in Neanderthals, but this is because Asians also mixed with The Denisovans, a sister group of the Neanderthals, the main gene of modern Eurasians is SLC24A5, the first individual with this gene is Dzudzuana, an ancient population of the Caucasus, lived 28,000 years ago.
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Neanderthals, like Homo Sapiens, were very intelligent, but they had a different type of intelligence, it was more geospatial, they also suffered from autism, in their case this would be normal, on the other hand, Homo Sapiens were more linguistic, Neanderthals. They lived in groups of 30 and Homo Sapiens in groups of 100 to 150 individuals. Neanderthals had fierce battles among themselves. They killed other Neanderthals by throwing stones at them and crushing their skulls with stones. Homo Sapiens technologically surpassed Neanderthals and used arrows. to kill at greater distances, compared to the Neanderthals who did not have arrows, Homo Sapiens after killing the Neanderthals practiced a ritual where they carefully cut the flesh of the Neanderthals, to eat them, the Neanderthals remained very isolated from each other, and They practiced incest, the Neanderthals Men had sexual relations with their daughters, incest caused the last Neanderthals to appear with multiple diseases and genetic deformities. Neanderthals became extinct 40 thousand years ago, outnumbered and outnumbered, both were aggressive, but there was a difference, the sapiens were more sophisticated when it came to killing, due to their arrows.
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If we talk about amounts of Neanderthal DNA, South Asia has the highest frequencies, followed by East Asia and thirdly Northern Europe, the average in East Asia is 4% and Europe 2%, however humans living with the most genetic affinity are the populations of Oceania, Indigenous Australians, Papuans, Melanesians, Ayta of the Philippines, this is because they have large amounts of Denisovan DNA, Denisovan DNA is very similar to Neanderthal, Indigenous Australians have 5% of Denisovan DNA and 3% Neanderthal DNA, which makes them the living humans with the most DNA of "NonAfrican" origin, with more affinity to Neanderthals
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@iraniandude2899 The phenotype of the Neanderthals does not correspond to the Western Eurasian phenotype, it is not even close, the Western Eurasian skull is much more graceful and globular, with a flat face, either, the phenotype is highly divergent, the only thing they had in common, they are the nasal passages and this can be mediated, the gene that causes it is AFT3 responsible for nerve regeneration, the nasal passages, and the straight nose, this gene is found in all Eurasians, but it is in low frequency in Sub-Saharans. The closest skull to Neanderthals are the skulls of early Homo Sapiens, such as Jebel Irhoud (Morocco) and Homo Sapiens Idaltus (Ethiopia), in neither case did they have the nostrils of Neanderthals but they had characteristics shared with Neanderthals such as the elongated skull and a more robust cranium, the skull of Homo Sapiens Idaltus just by looking at it reminds us of a Neanderthal skull, but without the fossa so characteristic of Neanderthals (AFT3). Today's Sub-Saharan Africans are more divergent but have slightly more elongated skulls than Eurasians, although not as long as a Neanderthal.
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Not exactly, the light skin genes of European Neanderthals have a different genetic combination than modern Europeans. Neanderthals had a gene combination of MC1R, BNC2, POU2F3, HYAL2, modern Europeans and Middle Eastern populations have a gene combination of SLC24A5, SLC24A2, MATP, TYR, KIGT, ASIP, BNC2. East Asians possess a combination of genes from MC1R, KITG, ASIP, POU2F3, HYAL2. A variant of MC1R produces red hair in Europeans and but East Asians have another Variant, the Europeans inherited from the Neanderthals BNC2, the East Asians POU2F3 and HYAL2.
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