GENE FLOW CHART Population White Beads 20 Pink Beads Red Beads Initial Generation 10 10 16 8 Total Beads Total Alleles 50 90 Before After 20 10 17 6 9 + 5(gene flow) = 14 38 Second Generation 10 0.52 50 90 32 0.62 Before 9 After Population Initial First Generation p 38 Second Generation 32 Allele and Genotype Frequencies p2 q 0.52 0.62 Third Generation Fourth Generation What happens to the frequency of the heterozygotes? What happens to the frequency of the homozygotes? 2pq q2