The major contributions of the first genetic map(Paras. 5-9) conclu Ision(Para. 10) . The theoretical significance of The History and Geography of Human Genes(Para 1) a Contains the results of more than 50 years of research in population genetics a remarkable collection of the most extensive survey on D Argues against the theories pushing the genetic superiority of any one population over another firm conclusion there is no scientific basis for II. The contribution of the book(Para. 2) a Created the first genetic map of the world Luca Cavalli-Sforza, his colleagues, 16 years the book, the first genetic map features 500 maps, areas of genetic similarities a Traced the routes of early humans' migration to find the closest thing we have to a global family tree be closely related migrate around the earth by the routes of a global family tree Ill. The dificulties encountered in the process of conducting the research(Paras 3-4) a Hard job in establishing the global family tree (3) information. human blood various proteins, markers, genetic makeup scientists. over decades hundreds of thousands of individuals, 2000 groups, be confined to as of 1492 a One example of the difficulties in collecting blood sample(4) ancient, remote, afraid, religious rural, angry, worried, magic IV. The major contributions of the first genetic map(Paras. 5-9) 日 Major discoveries; Africans closely related in appearance, most distant genetically australians Southeast asians most closely resembled in their genes E Africans no racial differences, mainly a way to adapt to climate 2. The same map ancient human bones- Africa: the birthplace of..., the starting point of 3. The Khoisan people: in southern Africa, distant, ancient, unique, primitive a very ancient mix of west Asians and black Africans Ethiopia, the Middle east 4. Basques: France, Spain; genes, language, caves, paintings- CroMagnonIV. The major contributions of the first genetic map (Paras. 5-9) V. The conclusion (Para. 10) I. The theoretical significance of The History and Geography of Human Genes (Para. 1)  Contains the results of more than 50 years of research in population genetics a remarkable collection of the most extensive survey on  Argues against the theories pushing the genetic superiority of any one population over another firm conclusion there is no scientific basis for II. The contribution of the book (Para. 2)  Created the first genetic map of the world Luca Cavalli-Sforza, his colleagues, 16 years the book, the first genetic map features 500 maps, areas of genetic similarities  Traced the routes of early humans’ migration to find the closest thing we have to a global family tree be closely related migrate around the earth by the routes of a global family tree III. The difficulties encountered in the process of conducting the research (Paras. 3-4 )  Hard job in establishing the global family tree (3) information, human blood various proteins, markers, genetic makeup scientists, over decades hundreds of thousands of individuals, 2000 groups, be confined to as of 1492  One example of the difficulties in collecting blood sample (4) ancient, remote, afraid, religious rural, angry, worried, magic IV. The major contributions of the first genetic map (Paras. 5-9)  Major discoveries: 1. Africans closely related in appearance, most distant genetically Australians Southeast Asians most closely resembled in their genes Europeans Africans no racial differences, mainly a way to adapt to climate 2. The same map ancient human bones Africa: the birthplace of…, the starting point of… 3. The Khoisan people: in southern Africa, distant, ancient, unique, primitive, a very ancient mix of west Asians and black Africans, Ethiopia, the Middle East 4. Basques: France, Spain; genes, language, caves, paintings → CroMagnon