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Charlottesville: Race and Terror VIDEO
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[QUOTE]Originally posted by the lioness,: [QB] [QUOTE]Originally posted by the questioner: the fact that Africans come from haplogroup E and Africans have no Neanderthal DNA proves whites did not evolve from blacks [/QB][/QUOTE]Neither of those points proves whites did not evolve from blacks You also mistake that all evolution means that what came later is more advanced. That may be true on very long timelines between apes and humans however along the way there are many horizontal splits that are adaptations to particular environments rather than general advancements. Also many mutations are random. On the European continent haplogroup E has the highest concentration in Kosovo (over 45%), Albania and Montenegro (both 27%), Bulgaria (23%), Macedonia and Greece (both 21%), Cyprus (20%), Sicily (20%), South Italy (18.5%), Serbia (18%) and Romania (15%). Ashkenazi Jews have approximately 20% of E1b1b, which falls mostly under specific clades of E-M123. But all haplogroups are thought to have evolved from African haplogroups anyway. As for Neanderthal DNA some Yoruba people have small traces of it. But even if they didn't the fact that Europeans have a small amount, 1-4% Neanderthal DNA does not mean they did not evolve form Africans. All it means is that when people left Africa and went into Europe some did a little mixing with Neanderthals. [QUOTE] http://evolution.berkeley.edu/evolibrary/misconceptions_teacherfaq.php#a3 MISCONCEPTION: Evolution results in progress; organisms are always getting better through evolution. CORRECTION: One important mechanism of evolution, natural selection, does result in the evolution of improved abilities to survive and reproduce; however, this does not mean that evolution is progressive for several reasons. First, as described in a misconception below, natural selection does not produce organisms perfectly suited to their environments. It often allows the survival of individuals with a range of traits individuals that are "good enough" to survive. Hence, evolutionary change is not always necessary for species to persist. Many taxa (like some mosses, fungi, sharks, opossums, and crayfish) have changed little physically over great expanses of time. Second, there are other mechanisms of evolution that don't cause adaptive change. Mutation, migration, and genetic drift may cause populations to evolve in ways that are actually harmful overall or make them less suitable for their environments. For example, the Afrikaner population of South Africa has an unusually high frequency of the gene responsible for Huntington's disease because the gene version drifted to high frequency as the population grew from a small starting population. Finally, the whole idea of "progress" doesn't make sense when it comes to evolution. Climates change, rivers shift course, new competitors invade and an organism with traits that are beneficial in one situation may be poorly equipped for survival when the environment changes. And even if we focus on a single environment and habitat, the idea of how to measure "progress" is skewed by the perspective of the observer. From a plant's perspective, the best measure of progress might be photosynthetic ability; from a spider's it might be the efficiency of a venom delivery system; from a human's, cognitive ability. It is tempting to see evolution as a grand progressive ladder with Homo sapiens emerging at the top. But evolution produces a tree, not a ladder and we are just one of many twigs on the tree. [/QUOTE] [/QB][/QUOTE]
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