Mendelian Genetics

Mendelian Genetics - c. Test Cross (Mendel Methods) d....

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Mendelian Genetics I) Modern View a. Gene locus i. Originally a position on a chromosome where a gene can exist ii. Today—a locus 1. A DNA segment that governs some characteristics (ex. Color of pods) 2. Each locus may have one or more specific alternatives or alleles 3. Fig. 11.5 b p. 239 II) Modern Terminology a. Genotype i. Homozygous: (ex. (bb) or (BB)) ii. Heterozygous: ex. Bb b. Phenotype i. The physical appearance III)Monohybrid Cross a. One locus involved b. Punnett Square
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Unformatted text preview: c. Test Cross (Mendel Methods) d. Di-hybrid Cross i. Studying two loci ii. Two loci have two different alleles IV)Independent Assortment a. Why does Independent Assortment work? i. Only works if loci we are studying are on different pairs of homologous chromosomes V) Rules of Probability a. Combining Probabilities i. Independent Evenets 1. Use product Rule ii. Mutually Exclusive Events 1. Use the sum rule...
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This note was uploaded on 07/17/2010 for the course 119:101 101 taught by Professor Martin during the Spring '10 term at Rutgers.

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Mendelian Genetics - c. Test Cross (Mendel Methods) d....

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