intro - Powerpoint to accompany Genetics: From Genes to...

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1 Powerpoint to accompany Genetics: From Genes to Genomes Third Edition Hartwell Hood Goldberg Reynolds Silver Veres Chapter 1 Prepared by Malcolm D. Schug University of North Carolina Greensboro
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2 Genetics The Study of Biological Information
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3 Chapter Outline DNA molecules encode the biological information fundamental to all life forms. Biological function emerges primarily from protein molecules. Complex biological systems emerge from the functioning of regulatory networks that specify the behavior of genes. All living forms are closely related. Genomes are modular, allowing rapid evolution. Genetic techniques permit dissection of biological complexity. Focus of this course is on human genetics
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4 Information in DNA generates diversity Four bases – G (guanine), A (adenine), T (thymine), and C (cytosine) are the nucleotide building block of DNA DNA is a double stranded helix composed of A-T and G-C complementary bases. Order of nucleotide sequences determines which proteins are synthesized, as well as when and where the synthesis occurs. Fig. 1.1a
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Genetic Information is Digital The sequence of bases in DNA can be read by DNA sequencers, stored in computers, and synthesized by DNA synthesizers. Fig. 1.3
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This note was uploaded on 12/17/2009 for the course BIO 2354 taught by Professor Brockett during the Spring '08 term at Georgia Institute of Technology.

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intro - Powerpoint to accompany Genetics: From Genes to...

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