Introduction_to_Animal_Breeding_week_1_fall_2009

Introduction_to_Animal_Breeding_week_1_fall_2009 - Fall2009...

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Fall 2009 Matthew Garcia
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Exam 1    September 11 Exam 2    October 9 Exam 3    November 13 Final Exam  December ?
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Molecular Transmission Population Quantitative
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Individual DNA makeup that codes for  physical traits The current branch of research Mapping Gene function Marker Development Selection
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How traits are inherited Passed to offspring Manipulation in order to achieve increase  in performance
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Distribution and behavior of genes in  various populations  Biological Diversity Past and Present
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Statistical predictions of how all three of  the previous branches can be  manipulated, and the possible outcomes. Animal Breeding Mating decisions through arithmetic Quantitative trait Anything that can be measured Height, weight etc
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Application of all technologies and  disciplines of genetics to improve the  selection of livestock for increased  production
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Domestication of Animals (i.e. dogs, cattle, horses, etc.)   1725-1795: Robert Bakewell, Leichester England   1800’s: Charles Darwin; Natural Selection; GxE  interaction   1800’s: Gregor Mendel, segregation and independent  assortment of genes   1900’s Breed associations formed   1919-1966: J.L. Lush, Iowa State University; quantitative  trait measurement,  Progeny testing, computerized data management
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1935-1964: John H. Knox, New Mexico State University (205d  adjusted WW)   1950-1970: Introduction of exotic breeds of cattle (~50 breeds  in the US)   1970-1990: J.S. Brinks Colorado State University   1980-Present: Development of composite breeds of livestock   1990-Present: Development of molecular markers in  conjunction with the  Bovine Genome mapping project.    1990- Present: Cloning of superior livestock   1990-Future: DNA marker assisted selection and WGA  selection
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Expression of Physical Traits  Genetic Makeup (Inherited Genes = Genotype) Transcription and Translation of Genes Proteins and Regulatory Factors Cell and Physiological Functions Phenotype
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