07_Chromosome_Theory

07_Chromosome_Theory - TheChromosomeTheoryofInheritance...

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The Chromosome Theory of Inheritance Today’s questions: What is the physical basis of Mendel’s rules? What sources of genetic variation occur in nature, other than the existence of more than one allele per gene? I. Pattern and process components of the chromosome theory II. Testing the chromosome theory
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I. The chromosome theory of inheritance Pattern: Process: Proposition #1: Genes are found on chromosomes
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Proposition #2: The principle of segregation results from the separation of homologous chromosomes at meiosis I raw this for an individual with the genotype p Draw this for an individual with the genotype Pp .
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Proposition #3: The principle of independent assortment occurs because maternal and paternal chromosomes line up (assort) independently at metaphase of meiosis I. Draw this for an individual with the genotype PpTt .
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II. What predictions does the chromosome theory make? If genes are found on chromosomes, then we should be able to determine the locations of Fruit flies as a model organism Discovery of white eye mutants
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07_Chromosome_Theory - TheChromosomeTheoryofInheritance...

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