DNA: The Making

DNA DNA: The Making Lyle Sykes For more than 50 mount after the science of genetics was established and the patterns of inheritance by dint of genes were clarified, the largest questions remained unanswered: How ar the chromosomes and their genes copied so exactly from cell to cell, and how do they direct the structure and behavior of living things? This paper govern discuss those questions and the people that answered them. Two American geneticists, George Wells Beadle and Edward Lawrie Tatum, provided atomic number 53 of the first important clues in the early 1940s. Working with the fungus body politic Neurospora and Penicillium, they found that genes direct the formation of enzymes through the units of which they are composed. (Annas 1996) Each unit (a polypeptide) is produced by a specific gene. This go launched studies into the chemical nature of the gene and helped to establish the field of molecular genetics. The fact that chromosomes were almost entirely composed of two kinds of ...If you longing to get a full essay, order it on our website: BestEssayCheap.com

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