The Journey of Man: A Genetic OdysseyRandom House Trade Paperbacks, 2003 - 218 pages Around 60,000 years ago, a man—genetically identical to us—lived in Africa. Every person alive today is descended from him. How did this real-life Adam wind up as the father of us all? What happened to the descendants of other men who lived at the same time? And why, if modern humans share a single prehistoric ancestor, do we come in so many sizes, shapes, and races? Examining the hidden secrets of human evolution in our genetic code, Spencer Wells reveals how developments in the revolutionary science of population genetics have made it possible to create a family tree for the whole of humanity. Replete with marvelous anecdotes and remarkable information, from the truth about the real Adam and Eve to the way differing racial types emerged, The Journey of Man is an enthralling, epic tour through the history and development of early humankind. |
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Page 37
... million years , with volcanoes , lakes , moun- tains and rivers coming and going at a brisk pace . For this reason , the accumulated layers of millions of years - soil , volcanic ash , lake sediments - are constantly being tossed about ...
... million years , with volcanoes , lakes , moun- tains and rivers coming and going at a brisk pace . For this reason , the accumulated layers of millions of years - soil , volcanic ash , lake sediments - are constantly being tossed about ...
Page 38
... million years ago . But according to the Berkeley mitochondrial data , Eve lived in Africa less than 200,000 years ago . How can we reconcile the two results ? It's all about timing - Let's step back for a moment and consider the case ...
... million years ago . But according to the Berkeley mitochondrial data , Eve lived in Africa less than 200,000 years ago . How can we reconcile the two results ? It's all about timing - Let's step back for a moment and consider the case ...
Page 151
... million at the time agriculture originated ; by the dawn of the Industrial Age , around 1750 , world population had risen to over 500 million . If Palaeolithic hunter - gatherer populations had taken over 50,000 years to increase from a ...
... million at the time agriculture originated ; by the dawn of the Industrial Age , around 1750 , world population had risen to over 500 million . If Palaeolithic hunter - gatherer populations had taken over 50,000 years to increase from a ...
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actually Adam Africa agriculture analysis ancient animals anthropologists apes appear Asian Australia Cavalli-Sforza cent central Asia China chromosomes clan climate coastal colleagues common ancestor continent culture Darwin defined descendants developed earliest early human east Asia Eurasian Europe Europeans evolution evolutionary expansion extinct favour frequency genes genetic data genetic diversity genetic pattern genetic variation geneticists genome hominid Homo erectus human diversity human genetic human migration human populations hunter-gatherers hunting ice age impala India Indo-European languages infer ingredients journey known last ice age leap lifestyle linguistic living marker Mediterranean Middle East Middle Eastern migration million mitochondrial DNA modern humans molecules mtDNA mutations Native Americans Neanderthals Neolithic non-African northern nucleotide origin past perhaps polymorphisms population genetics recent region route sample Siberia simply soup recipes south-east Asia southern species spoken spread steppe suggests thousands trace unique Upper Palaeolithic western Y-chromosome lineages