Chapter%2014

Chapter%2014 - TheDarwin150Project...

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The Darwin 150 Project Celebrating 150 Years of Charles Darwin a live webcast lecture series in Rudder Theater a live webcast lecture series in Rudder Theater Hosted by the Department of Biology, the Department of Wildlife and Fisheries Sciences,  the Faculty of Neuroscience, and the IRP in Ecology and Evolutionary Biology www.bio.tamu.edu/darwin150 Wednesday, November 4, 7 pm Wednesday, November 4, 7 pm The Making of the Fittest: Natural  The Making of the Fittest: Natural  Selection and the DNA Record of  Selection and the DNA Record of  Evolution Evolution ”  ”  Sean Carroll, University of Wisconsin Sean Carroll, University of Wisconsin Tuesday, November 24, 12 noon  Frontiers of Evolution E.O. Wilson et al., Harvard Tuesday, November 24, 5 pm Celebrating 150 Years of 'Origin of Species'' Gerald Edelman, Paul Ekman, Terrence Deacon
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Chapter 14 Mendelian Genetics
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TECHNIQUE RESULTS Parental generation (P) Stamens Carpel 1 2 3 4 First filial gener- ation offspring (F 1 ) 5 Making a Genetic Cross Hybrid offspring all have purple flowers. What happened to the gene for white flowers?
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EXPERIMENT P Generation (true-breeding parents) Purple flowers White flowers × F 1 Generation (hybrids) All plants had purple flowers F 2 Generation 705 purple-flowered plants 224 white-flowered plants Reappearance of white flowers in the F2 generation shows that the gene for white flowers did not blend away or disappear. It was masked by the dominant purple gene in the F1 generation.
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Fig. 14-4 Allele for purple flowers Homologous pair of chromosomes Locus for flower-color gene Allele for white flowers Alleles (meaning other ) are different versions of a
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This note was uploaded on 01/27/2011 for the course BIOL 112 taught by Professor Vaughn during the Fall '08 term at Texas A&M.

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Chapter%2014 - TheDarwin150Project...

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