Genetics - Genetics `Skeletonized' Notes Historical...

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Genetics ‘Skeletonized’ Notes   Bio 123 Recitation Instructor:  Stephanie Eby Historical Concepts of Heredity Blending theory of inheritance Inheritance of acquired characteristics Theory of Natural Selection Mendel’s Theory of Heredity 1. 2. 3. 4. 5. Mendel’s Pea Plants Method: terminal) 7. Stem length (short vs. long) Vocabulary: Phenotype Genotype Homozygous Heterozygous Dominance
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F 1 Generation F 2 Generation (Monohybrid Cross) F 2 Phenotypic Ratio F 2 Genotypic Ratio Parents Gametes F 1 Generation Gametes Gametes Parents: Punnett Square X Round X Round Rr Rr
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Dihybrid Cross Mendel’s Law of Segregation! Test Cross
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Aspects of Heredity that Mendel did not know (but you must): 1. Genes are located on chromosomes 2. Genes on the same chromosome tend to be inherited together (linkage) 3. Intermediate inheritance 4. Quantitative inheritance 5. Mutation is the basic source of hereditary variation 6. Chemical nature of the gene and gene action (DNA, RNA, Protein synthesis) 7.
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Genetics - Genetics `Skeletonized' Notes Historical...

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