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BIOL 2299 (104)
Roth Aaron (17)
Lecture 19

BIOL 2299 Lecture 19: population genetics 9:22
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Department
Biology
Course
BIOL 2299
Professor
Roth Aaron
Semester
Fall

Description
9/22 Population Genetics • Drive towards reproduction->diversity • Sexual stage-drive reproduction, asexual stage-rapid growth • Population biology o how diseases spread and how your body responds • Genetic Variation o Discontinuous- distinct changes, distinct groups, distinct male/female ▪ Ex. Sex, blood type, plumage o Continuous-polygenic inheritance ▪ Ex. Tail length, body length, clines-measurable change across a geographic place through genetic differentiation • Hardy-Weinberg Equilibrium o Theoretical stability of: ▪ Genotype frequencies ▪ Allele frequencies o Track allele frequency change, track evolution o If there are equal numbers of AA aa in a population ▪ F1= .25 AA, .50Aa, .25 aa • Genotype frequency ▪ F1=.50 A, .50 a • Allele frequency o Frequencies do not change o Conditions needed for Hardy-Weinberg to be true ▪ Large population ▪ Random matin
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