Download Free The Origin And Past Of Modern Humans As Viewed From Dna Book in PDF and EPUB Free Download. You can read online The Origin And Past Of Modern Humans As Viewed From Dna and write the review.

The past few years have seen a revolution in our ability to map whole genome DNA from ancient humans. With the ancient DNA revolution, combined with rapid genome mapping of present human populations, has come remarkable insights into our past. This important new data has clarified and added to our knowledge from archaeology and anthropology, helped resolve long-existing controversies, challenged long-held views, and thrown up some remarkable surprises. The emerging picture is one of many waves of ancient human migrations, so that all populations existing today are mixes of ancient ones, as well as in many cases carrying a genetic component from Neanderthals, and, in some populations, Denisovans. David Reich, whose team has been at the forefront of these discoveries, explains what the genetics is telling us about ourselves and our complex and often surprising ancestry. Gone are old ideas of any kind of racial 'purity', or even deep and ancient divides between peoples. Instead, we are finding a rich variety of mixtures. Reich describes the cutting-edge findings from the past few years, and also considers the sensitivities involved in tracing ancestry, with science sometimes jostling with politics and tradition. He brings an important wider message: that we should celebrate our rich diversity, and recognize that every one of us is the result of a long history of migration and intermixing of ancient peoples, which we carry as ghosts in our DNA. What will we discover next?
An influential geneticist traces his investigation into the genes of humanity's closest evolutionary relatives, explaining what his sequencing of the Neanderthal genome has revealed about their extinction and the origins of modern humans.
Ancestral DNA, Human Origins, and Migrations describes the genesis of humans in Africa and the subsequent story of how our species migrated to every corner of the globe. Different phases of this journey are presented in an integrative format with information from a number of disciplines, including population genetics, evolution, anthropology, archaeology, climatology, linguistics, art, music, folklore and history. This unique approach weaves a story that has synergistic impact in the clarity and level of understanding that will appeal to those researching, studying, and interested in population genetics, evolutionary biology, human migrations, and the beginnings of our species. - Integrates research and information from the fields of genetics, evolution, anthropology, archaeology, climatology, linguistics, art, music, folklore and history, among others - Presents the content in an entertaining and synergistic style to facilitate a deep understanding of human population genetics - Informs on the origins and recent evolution of our species in an approachable manner
This volume examines the origins, micro-evolution, diversification and adaptation of modern humans. It is based upon discrepancies between fossil evidence and molecular findings and between different investigators within each. This has given rise to much controversy that is not yet solved. The papers are presented in four methodological categories: theoretical, molecular, morphological and linguistic.
A major debate in anthropology concerns the relationship between anatomically modern humans and earlier "archaic" humans including the Neandertals. What was the origin of modern humans? Did we arise as a new species in Africa 200,000 years ago and then replace archaic human populations outside of Africa, or are our origins part of a single evolving lineage extending back over the past two million years? In addition to fossil and archaeological evidence, anthropologists have increasingly turned to using genetic data on living populations to address this question. Patterns of genetic variation within and between living human populations are felt to contain clues as to our species' evolutionary history, and provide a reflection of the past. This book reviews the modern human origins debate focusing on the genetic evidence relating to our origins, including genetic variation in living humans and recent discoveries of ancient DNA from fossil specimens. Following a brief introduction to the problem and a review of evolutionary genetics, the book focuses on gene trees and the search for a common ancestor, genetic diversity within populations, genetic distances between populations, the use of genetic data to reconstruct ancient demography, and Neandertal DNA. The main point of the text is that although the genetic data are often compatible with a replacement model, they are also compatible with some multiregional models. The concluding chapter makes the case that modern human origins are mostly, but not exclusively, out of Africa.
Volume detailing the effects of the molecular revolution on anthropological genetics and how it redefined the field.
Chris Stringer's bestselling The Origin of our Species tackles the big questions in the ongoing debate about the beginnings of human life on earth. Do all humans originate from Africa? How did we spread across the globe? Are we separate from Neanderthals, or do some of us actually have their genes? When did humans become 'modern' - are traits such as art, technology, language, ritual and belief unique to us? Has human evolution stopped, or are we still evolving? Chris Stringer has been involved in much of the crucial research into the origins of humanity, and here he draws on a wealth of evidence - from fossils and archaeology to Charles Darwin's theories and the mysteries of ancient DNA - to reveal the definitive story of where we came from, how we lived, how we got here and who we are. 'A new way of defining us and our place in history' Sunday Times 'When it comes to human evolution Chris Stringer is as close to the horse's mouth as it gets ... The Origin of Our Species should be the one-stop source on the subject. Read it now' BBC Focus 'Britain's foremost expert on human evolution ... you need a primer to make sense of the story so far. Here is that book' Guardian 'Combines anecdote and speculation with crisp explanation of the latest science in the study of the first humans ... an engaging read' New Scientist Chris Stringer is Britain's foremost expert on human origins and works in the Department of Palaeontology at the Natural History Museum. He also currently directs the Ancient Human Occupation of Britain project, aimed at reconstructing the first detailed history of how and when Britain was occupied by early humans. His previous books include African Exodus- The Origins of Modern Humanity, The Complete World of Human Evolutionand most recently, Homo Britannicus, which was shortlisted for the Royal Society Science Book of the Year in 2007.
A top researcher proposes a controversial new theory of human evolution in a book “combining the thrill of a novel with a remarkable depth of perspective” (Nature). In this groundbreaking and engaging work of science, world-renowned paleoanthropologist Chris Stringer sets out a new theory of humanity’s origin, challenging both the multiregionalists (who hold that modern humans developed from ancient ancestors in different parts of the world) and his own “out of Africa” theory, which maintains that humans emerged rapidly in one small part of Africa and then spread to replace all other humans within and outside the continent. Stringer’s new theory, based on archeological and genetic evidence, holds that distinct humans coexisted and competed across the African continent—exchanging genes, tools, and behavioral strategies. Stringer draws on analyses of old and new fossils from around the world, DNA studies of Neanderthals (using the full genome map) and other species, and recent archeological digs to unveil his new theory. He shows how the most sensational recent fossil findings fit with his model, and he questions previous concepts (including his own) of modernity and how it evolved. With photographs included, Lone Survivors will be the definitive account of who and what we were—and will change perceptions about our origins and about what it means to be human. “An essential book for anyone interested in psychology, sociology, anthropology, human evolution, or the scientific process.” —Library Journal “Highlights just how many tantalizing discoveries and analytical advances have enriched the field in recent years.” —Literary Review
Modern Humans is a vivid account of the most recent—and perhaps the most important—phase of human evolution: the appearance of anatomically modern people (Homo sapiens) in Africa less than half a million years ago and their later spread throughout the world. Leaving no stone unturned, John F. Hoffecker demonstrates that Homo sapiens represents a “major transition” in the evolution of living systems in terms of fundamental changes in the role of non-genetic information. Modern Humans synthesizes recent findings from genetics (including the rapidly growing body of ancient DNA), the human fossil record, and archaeology relating to the African origin and global dispersal of anatomically modern people. Hoffecker places humans in the broad context of the evolution of life, emphasizing the critical role of genetic and non-genetic forms of information in living systems as well as how changes in the storage, transmission, and translation of information underlie major transitions in evolution. He also draws on information and complexity theory to explain the emergence of Homo sapiens in Africa several hundred thousand years ago and the rapid and unprecedented spread of our species into a variety of environments in Australia and Eurasia, including the Arctic and Beringia, beginning between 75,000 and 60,000 years ago. This magisterial work will appeal to all with an interest in the ever-fascinating field of human evolution.
The tools used to unearth the facts of our prehistoric past have not always been tangible. Each fossil discovery and new methods of analysis is met with an avalanche of debate, alternate interpretations, and the refutation of competing theories. This text is a concise and provocative look at some answers to the question " Where did we come from? " .