F13 lecture 6 for post

057 0077 0031 0366 0258 0211 what are the allele

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Unformatted text preview: rela1onship between two con1nuous variables –  correla1on –  regression ③  goodness- of- fit –  e.g. chi- square one locus – 3 alleles •  a1, a2, a3 •  6 possible genotypes –  a1a1 –  a2a2 –  a3a3 –  a1a2 –  a1a3 –  a2a3 sample data genotype a1a1 a2a2 a3a3 a1a2 a1a3 a2a3 total # individuals 11 15 6 71 50 41 194 frequency 0.057 0.077 0.031 0.366 0.258 0.211 what are the allele frequencies? freq of a1 = #a1a1 + #a1a2/2 + #a1a3/2 = 11 + 71/2 + 50/2 = 0.369 freq of a2 = #a2a2 + #a1a2/2 + #a2a3/2 = 15 + 71/2 + 41/2 = 0.366 freq of a3 = #a3a3 + #a1a3/2 + #a2a3/2 = 6 + 50/2 + 41/2 = 0.265 genotype a1a1 a2a2 a3a3 a1a2 a1a3 a2a3 total # individuals frequency 11 0.057 15 0.077 6 0.031 71 0.366 50 0.258 41 0.211 194 what are the expected genotype frequencies? a1a1 a2a2 a3a3 a1a2 a1a3 a2a3 genotype a1a1 a2a2 a3a3 a1a2 a1a3 a2a3 total # individuals frequency 11 0.057 15 0.077 6 0.031 71 0.366 50 0.258 41...
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