Unit 7 Section A I Background Knowledge Luca Cavalli-Sforza(A) Cavalli-Sforza, born in Genoa, Italy, was educated at the University of Pavia where he gained his MD in 1944. After working on bacterial genetics at Cambridge(1948-1950)and Milan(1950 1957)he has held chairs in genetics at Parma(1958-1962)and Pavia(1962-1970). In 1970 he was appointed professor of genetics at the University of Stanford, California, a position he held until his retirement in 1992 Luca Cavalli-Sforza(B) Cavalli-Sforza has specialized mainly in the genetics of human populations, producing with Walter Bodmer a comprehensive survey of the subject in their Genetics, Evolution and Man (1976). He has also done much to show how genetic data from present human racial groups could be used to reconstruct their past separations. This reconstruction, based on the analysis of 58 genes, yields a bifurcated evolutionary tree with Caucasian and African races in one branch and Orientals Oceanians. and Amerinds in the other Christopher Columbus, an Italian-born master navigator(born in Genoa, Italy in 1451 and died at Valladolid, Spain in 1506) who sailed in the service of Spain, is commonly described as the discoverer of the New world- America His four transatlantic voyages(1492-1493, 1493-1496, 1498-1500, and 1502-1504)opened the way for European exploration, exploitation, and colonization of the Americas mbuS Columbus's real greatness lies in the fact that having found the West Indies- making major errors in his navigational computations and location in doing so- he was able to find his way back to Europe and return to the Indies. It is as the result of Columbus's "discovery"that the New World became part of the European world The human genetic map(A) Our bodies are comprised of trillions of microscopic units called cells. Cells in turn are built u from many specific types of molecules, both large and small. The large molecules or macromolecules include polysaccharides, nucleic acids and proteins. Proteins are the workhorses of our cells. There are about 40,000 different types of proteins in our bodies. Each protein is present in many, many copies The human genetic map(B) An adult, for example, carries about 1021(a billion trillion) hemoglobin molecules. The flow of genetic information is from DNA to RNa to Protein. Each protein is a linear polymer of a specificUnit 7 Section A I. Background Knowledge Luca Cavalli-Sforza (A) Cavalli-Sforza, born in Genoa, Italy, was educated at the University of Pavia where he gained his MD in 1944. After working on bacterial genetics at Cambridge (1948－1950) and Milan (1950－ 1957) he has held chairs in genetics at Parma (1958－1962) and Pavia (1962－1970). In 1970 he was appointed professor of genetics at the University of Stanford, California, a position he held until his retirement in 1992. Luca Cavalli-Sforza (B) Cavalli-Sforza has specialized mainly in the genetics of human populations, producing with Walter Bodmer a comprehensive survey of the subject in their Genetics, Evolution and Man (1976). He has also done much to show how genetic data from present human racial groups could be used to reconstruct their past separations. This reconstruction, based on the analysis of 58 genes, yields a bifurcated evolutionary tree with Caucasian and African races in one branch and Orientals, Oceanians, and Amerinds in the other. Columbus (A) Christopher Columbus, an Italian-born master navigator (born in Genoa, Italy in 1451 and died at Valladolid, Spain in 1506) who sailed in the service of Spain, is commonly described as the discoverer of the New World — America. His four transatlantic voyages (1492－1493, 1493－1496, 1498－1500, and 1502－1504) opened the way for European exploration, exploitation, and colonization of the Americas. Columbus (B) Columbus’s real greatness lies in the fact that having found the West Indies — making major errors in his navigational computations and location in doing so — he was able to find his way back to Europe and return to the Indies. It is as the result of Columbus’s “discovery” that the New World became part of the European world. The human genetic map (A) Our bodies are comprised of trillions of microscopic units called cells. Cells in turn are built up from many specific types of molecules, both large and small. The large molecules or macromolecules include polysaccharides, nucleic acids and proteins. Proteins are the workhorses of our cells. There are about 40,000 different types of proteins in our bodies. Each protein is present in many, many copies. The human genetic map (B) An adult, for example, carries about 1021 (a billion trillion) hemoglobin molecules. The flow of genetic information is from DNA to RNA to Protein. Each protein is a linear polymer of a specific