The human archaeological record is a long and undefined story that may be the most complex question researched today. One of the big questions in human history is the disappearance of the Neanderthal people from the archaeological record around 30,000 BP. While for thousands of years Neanderthals and Anatomically modern humans crossed paths and perhaps lived in close relations, we have yet to really understand the degree to which they lived together. My hypothesis is that these two hominids, Neanderthals and Anatomically Modern Humans, interbred exchanging genes after Modern Humans dispersed from Africa and creating like cultures and material remains. The differences between Neanderthal and Modern humans are not only physical but also genetically evolved and this research will determine an estimated amount of admixture between the two groups.
My research strives to answer the presence and degree of interbreeding between Neanderthal and Modern humans. Researchers use different comparisons of the fossil record, phylogenetic, morphological, and genetic methods to explore these questions in more detail. The literature provided many positive correlations to my hypothesis that Neandertals and Modern Humans interbred on a small-scale basis after the dispersal of modern humans from Africa. The literature also predicts a time frame of likely interbreeding. To explore this question it is important to research article’s explaining the statistical, genetic, and physical evidence associated with possible interbreeding.
The literature does provide evidence for my hypothesis and also provides a clearer picture as to how frequent and to what extent the interbreeding is believed to occur. Examining these articles will introduce the new findin...
... middle of paper ...
...2-155548
Neves, A. M., & Serva, M. (2012). Extremely Rare Interbreeding Events Can Explain Neanderthal DNA in Living Humans. Plos ONE, 7(10), 1-10. doi:10.1371/journal.pone.0047076
Price, Douglas. " Chapter2: The First Europeans, Chapter 3: The Creative Explosion." In Europe before Rome: A Site-by-site Tour of the Stone, Bronze and Iron Ages. Oxford University Press, 2013. 15-122.
Sankararaman S, Patterson N, Li H, Pa ̈a ̈bo S, Reich D (2012) The Date of Interbreeding between Neandertals and Modern Humans. PLoS Genet 8(10): e1002947. doi:10.1371/journal.pgen.1002947
Trinkaus, E. (2007). European early modern humans and the fate of the Neandertals. Proceedings Of The National Academy Of Sciences Of The United States Of America, 104(18), 7367-7372. doi:10.1073/pnas.0702214104
ZIMMER, C. (2013). INTERBREEDING With Neanderthals. (Cover story). Discover, 34(2), 38-44.
Over the last few hundred years, more and more has been added to the world’s fossil collection, fossils from all over the world. New theories have been created and old theories have almost been proven about the evolution of man. For example, we have proof that different species of man existed with certain types of DNA sequences and instincts, some we may not have anymore, or some that other species did not have back then. Even though it is subjected to much debate, one of the most widely accepted theories however, is that Homo sapiens interbred with the slightly more primitive species of man, the Neanderthal.
Cipolla, Carlo M. Guns, sails and empires; technological innovation and the early phases of European expansion, 1400-1700. Manhattan, Kan. : Sunflower University Press, 1985.
Four hypotheses of how the bodies got there occupation, water transport, predation, and death trap were ruled out. A new hypothesis was formulated what if Homo naledi intentionally buried their dead? Although there is not enough evidence yet to confirm this, such behavior would be significant in that it would precede previous cases of the behavior in Neanderthals and humans. This would add to the argument that Homo naledi are of the genus Homo. After the examination of these fossils and extensive research, it was concluded that Homo naledi were a new species of the Homo genus.
2Gómez-Pérez L, Alfonso-Sánchez M.A., Sánchez D, García-Obregón S, Espinosa I, Martínez-Jarreta B, De Pancorbo M.M., Peña J.A. 2011. Alu Polymorphisms in the Waorani Tribe from the Ecuadorian Amazon Reflect the Effects of Isolation and Genetic Drift. American Journal of Human Biology Vol 23(6): pp 790-795
Vigilant, Linda. Stoneking, Mark. Harpending, Henry. et al. 1991. African Populations and Evolution of Human Mitochondrial DNA. Science 253: 1503-1507.
3. Jackson J. Spielvogel. Western Civilization Third Edition, A Brief History volume 1: to 1715. 2005 Belmont CA. Wadsworth Publishing
There is evidence to suggest that Homo neanderthalensis and Homo sapiens had coexisted for approximately 35-40,000 years, (Fagan 2010) from around 60,000 years ago to 25,000 years ago when they finally went extinct (Gibbon 2001). Anthropologists are still uncertain what the cause of their extinction was. This paper will analyze three main theories of Neanderthal extinction. The first theory is the competition theory, which claims that the Homo sapiens and Neanderthals had to compete for resources, ultimately leading to their demise. The second theory I will discuss is the climate change theory, which claims that Homo sapiens lived while Neanderthals died because they were better adapted to the climate. The last theory I will discuss is the possible “extinction through absorption” theory which claims the Neanderthal interbred with the Homo sapiens and became one species. In this paper I will also be comparing the technologies, and diets of both species. In addition, I will look at the anatomic relation between the Neanderthals and Homo sapiens, how their body shape and size differed, and if this gave any advantage to one side or the other. My thesis for this paper will state that Homo sapiens and Homo neanderthalensis had co-existed but the disappearance of the Neanderthal in Eurasia is due to the appearance of the more culturally advanced and genetically superior Homo sapiens and the failure of the Neanderthal to adapt in an evolving climate.
From the ancient bones of the Neanderthals, scientists have been able to extract small amounts of DNA. The DNA comparisons to modern humans show no relationship, implying evolutionary separation (Kunzig, 159). Some anthropologists say the small sections of DNA found are not conclusive evidence, because modern humans show just as much variation in DNA. These people point out that individuals such as the “Portugal Kid” are hybrids of Neanderthals and modern humans, showing there was gene trading. One argument against this is that there is no skull from the ‘Portugal Kid” so it is hard to compare it to Neanderthals. Also, it is known that closely related species can breed and their offspring can be fertile, but they are still separate species (Kunzig, 161).
Neanderthals and modern humans coexisted for well over 100,000 years. Then suddenly Homo neandertalensis began to die out and surrender the earth to Homo sapiens. Paleontologists and anthropologists have entertained several possibilities to the causes of this event: interbreeding among Neanderthals and humans, competition for natural resources, and Darwin’s theory of “survival of the fittest.” What the real cause has been has plagued scientists for years. Now, due to an international research team from Germany, those possibilities have been even further deduced, making it easier to pinpoint the exact reason Homo neandertalensis became extinct.
...ed in the discovery and eventual colonization of North and South America. Painters, sculptors, and architects exhibited a similar sense of adventure and the desire for greater knowledge and new solutions; Leonardo da Vinci, like Christopher Columbus, discovered whole new worlds. With a new emphasis on the science, people like Philippo Brunelleschi were accomplishing great feats of artistic and architectural design. The new Renaissance “style” that emerged during this period called upon the classical roots of ancient Greece and Rome but new scientific understanding and a stronger emphasis on the individual also influenced the works created during this period.Bibliography Rice Jr., Eugene F.; Anthony Grafton. The Foundations of Early Modern Europe, 1460-1559. W. W. Norton & Company. New York, NY, 1993. Helton, Tinsley. World Book Encyclopedia, v16. “Renaissance”, pp. 222-224. World Book–Childcraft International Inc. Chicago, IL, 1979. Vasari, Gorgio. Lives of the Artists. Penguin Books Ltd. London, England, 1987
Darwin, Charles, and David Quammen. On the Origin of Species. New York: Sterling, 2008. 349. Print.
Paleoanthropology: Pliocene and Pleistocene Human Evolution. Paleobiology, 7:3:298-305. Frayer, David W. and Milford Walpoff 1985 Sexual Dimorphism. Annual Review of Anthropology, 14:429-473 Key, Catherine A. 2000 The Evolution of Human Life History.
The Neanderthals are an extinct species of human that lived in ice age Europe between 120,000-35,000 years ago. This species is known for their receding forehead and prominent brow ridges. We know this species as the uncivilized or unintelligent person or group. Neanderthals are often portrayed as “unintelligent cavemen in animal-skin clothing.” Scientists’ first thought the Neanderthals’ were subhuman, but that thought is beginning to change. The original name given to the Neanderthals when they were first discovered was ‘Homo Neanderthalensis’ and they were considered to be an ancestor to modern humans. “Forty-four years after this biased classification, Neanderthals were reclassified as a human subspecies Homo sapiens Neanderthalensis and
Rice, Eugene E. and Anthony Grafton. The Foundations of Early Modern Europe, 1460-1559. 2nd. ed. New York: W. W. Norton and Co., 1994.
The evidence for human evolution begins with the australopithecines. All the australopithecines were bipedal and therefore possible hominines. In details of their teeth, jaws, and brain size, however, they modify enough among themselves to be divided into five species: Australopithecus anamensis, A. afarensis, A. africanus, A. robustus, and A. boisei. Genus Homo are also divided in five different spices: Homo erectus, H. habilis, H. sapiens, and H. sapiens sapiens.