BrookerChp2M_Mendel

BrookerChp2M_Mendel - Chapter 2 Mendelian Inheritance I...

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Chapter 2 - Mendelian Inheritance I. Genetics A. Scientific discipline that studies inheritance B. Subdisciplines 1. Transmission genetics 2. Molecular genetics 3. Population genetics II. Basic Concepts of Genetics A. Inheritance between generations - accomplished by DNA, packaged into chromosomes [Fig. 10.21, pg. 272] 1. DNA Double helix - 2 nucleotide strands 2. Nucleosome - histone proteins + DNA 3. "Beads on a string" nucleosomes 4. Chromatin fiber with looped domains 5. Further condensation/folding B. Sum total of a cell's chromosomes = its genome C. Genotype and phenotype D. Gene = contiguous region of DNA expressed as a single unit; gene expression confers phenotype; Allele = alternate form of gene III. Gregor Mendel A. Studied at University of Vienna with broad interests ranging from botany to chemistry to physics, but never completed his degree. B. As a Augustian monk, undertook extensive experiments; presented his results to a largely indifferent scientific community. . . Mendel died unrecognized . . . his
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This note was uploaded on 04/16/2008 for the course BIO 325 taught by Professor Saxena during the Spring '08 term at University of Texas.

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BrookerChp2M_Mendel - Chapter 2 Mendelian Inheritance I...

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