Genes, People, and Languages [Hardcover]

Cavalli-Sforza's invaluable contribution to the understanding of why, before the more recent diasporas, we lived were we lived, spoke what we spoke and looked like what we looked like, was made concrete with the publication, in 1994, of the excellent "The History and Geography of Human Genes". Much less complete than this book were the more recent "The Great Human Diasporas" and Sforza's last book, "Genes, Peoples and Languages". These somewhat summarize what can be found in the pages of "The History and Geography of Human Genes", by the same author,with which they share several maps and tables.

Nevertheless, "Genes, Peoples and Languages" was worth reading, since it incorporates more recent genetic data and linguistic research, and this is what you are looking for if you want to keep up with the advances in this field. A more comprehensive explanation to statistical methods used to define genetic trees and to draw principal component maps, plus an interesting chapter on cultural transmission explaining how, in the microsphere, it helps to operate genetic and linguistic evolution, are novelties in this publication.

Putting aside race and its seemingly subjective definitions, racism and its definetely scientifically undermined fundaments, I would like to recommend this book to those who, like myself, are curious laymen fascinated by the matter of human biological and cultural origins. A more thorough approach to the subject(more maps, tables, trees, drawings and text)you'll find in "The History and Geography of Human Genes, though.

This is an excellent and easy to read book about the fascinating analysis of the heritage of mankind. The author has developed an extensive multidisciplinary approach that includes: a) archeology, b) history, c) genetics, d) linguistics, and e) mathematics.

Although the author never stresses mathematics as a key discipline to analyze mankind heritage, his work relied on Principal Component Analysis, Multidimensional Scaling, Cluster Analysis, Logistic Regression, and Hypothesis Testing. Thus, the readers familiar with these statistical methods will enjoy reading this book as a fascinating social science application of such methods.

You certainly don't have to be a mathematician or a scientist to enjoy this book. The author has clearly written it as an introduction to this field aimed at the layperson.

You will learn many fascinating concepts. One of those, is that the history of genes, cultures, and languages converge. In essence, they all influence each other back and forth. It is somehow hard to tell what is the main driver of overall changes in population. You run into many Nature or Nurture arguments. Continuing along the same line, he refers to other scientific works explaining the difference in IQ between individuals. Well, it is 1/3 due to heredity (nature); 1/3 due to cultural transmission (nurture); and 1/3 due to differences in personal experience (random). That is a pretty far cry from the 80% to 90% due to heredity that many people believe in. Also, natural evolution will or has already stopped according to the author. This is because medicine in industrialized societies has reduced the natural mortality rate down to almost zero among the pre-reproductive age set. In other words, medicine has eliminated the natural selection process as the survival rate mechanism of our specie. Some of us may have had concepts that humans eventually will evolve and look like aliens with extremely big heads (for superior intelligence and processing powers) and very skimpy bodies (since physical force is useless in an information age). Well, that's not going to happen.

Throughout the book there are many very interesting graphs and maps that beautifully illustrate and clarify the concepts he introduces. The migration map on page 94, clearly outlines all the major original migrations out of Africa starting 100,000 years ago. On page 71, a world map showing the actual genetic distance between locations is fascinating too. On page 164, you can observe the best diagram of the Indo-European languages you will ever see. English is a Germanic language, as we all know. However, English predates German by several centuries!

You can see how throughout his life, he must have been a fantastic university professor. About 6 months ago, I started reselling my books at Amazon Marketplace to cut my cost of reading. However, I am not reselling this one. I am keeping it as a reference. I anticipate there will be so many occasions when I will be glad I have kept it. The book has opened for me a new window of knowledge quest where so many of the social and quantitative sciences have converged into one to crack the mystery of the history of mankind. I hope this book will do for you, what it did for me.

In a book notable for its accessibility to non-specialists, Cavalli-Sforza presents a concise overview of the history of our species. He relies first and foremost on relationships among aboriginal populations that he has been instrumental in delineating through molecular analyses (e.g. use of blood groups and more recently other systems such as microsatellites). He also relies on archeological and linguistic evidence as independent lines of evidence. The attempt at synthesis of these varied lines of evidence is admirable. A few figures--one displaying early human migration and another geographical distributions of 17 linguistic families--show some of the key population movements described in the text. I wish there were more of these kinds of summary figures. The book succeeds in clearly explaining concepts such as genetic drift and the utility of different genetic systems for understanding human evolution (e.g.Y chromosome variations help us understand male histories and mitochondrial DNA female histories in particular). It also contains a chapter on language evolution that contrasts principles of linguistic evolution with genetic evolution, and a final chapter on cultural evolution. Overall, this book contains a good, concise, synthetic account of the history of modern humans, beginning with our origins in Africa 100,000-200,000 years ago, and migrating to different parts of the world since and at different times. Much of the work appears to build on a more technical 1994 work: History and Geography of Human Genes, perhaps a more suitable reference for those with more background on these topics. The book could have been improved with more graphical depictions of the population movements discussed, as well as by pictures of major and frequently mentioned aboriginal populations such as the Saami (or Lapplanders).

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