BIO 1130 Lecture Notes - Sickle-Cell Disease, Allele Frequency, Hemoglobin

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9 Jun 2014
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BIO 1130 Full Course Notes
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Allele frequencies (traits) where variation is occurring. Evolutionary changes that result from changes in allele frequencies in a population, or in chromosome structure or numbers due to mutation and recombination. Looking at actual source of variation and change within a population of a single species. Includes all the individuals of a single species that live together in the same place and time. The sum of all alleles at all gene loci in all individuals is called the populations gene pool. Genotype frequencies: percentage of individuals possessing each genotype, each diploid organism has 2 alleles at each gene locus, relative abundance of different alleles in a population (has to follow hw principles if want to. Rule: p2 + 2pq + q2 = 1. The hardy weinberg principle is a null model because it predicts what they would see if a particular factor had no effect: neither allele frequency or genotype frequency change in successive generations.

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