Bio; Lecture 08; Population Genetics

Bio; Lecture 08; Population Genetics - Principles of...

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Principles of Biology 2 BioU103 1-25-07 Population Genetics Hardy-Weinberg Theorem o States that the frequency of alleles and genotypes in a population’s gene pool will remain constant over generations. However, this is only true if certain conditions are met. o If the genetic makeup of a population is maintained across generations, the population is considered to be in Hardy-Weinberg equilibrium Genome and allele frequencies are in equilibrium Population does not evolve when this happens—there is no change in the genetic makeup of the population o Describes the gene pool of a nonevolving population o The theorem states that the shuffling of alleles after meiosis and random fertilization should have no effect on the overall gene pool of a population as long as all the conditions or assumptions are met… o If the original population undergoes asexual reproduction: The genetic makeup of the population (allele frequencies) equals that of the next generation The DNA remains unchanged before and after the cycle of
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This note was uploaded on 05/26/2008 for the course BIO 103 taught by Professor Potts-santone during the Spring '07 term at Northeastern.

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Bio; Lecture 08; Population Genetics - Principles of...

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