Discovering linkage - Model Answers.
Table 1: Phenotypes of the F2 Generation (Bateson et al 1905 p92) Phenotype Mendel’s Ratio Expected Observed (O-E)2/E Show working out here … Coloured, long 9 153 116 -362/153 = 8.47 Coloured, round 3 51 41 102/51 = 1.96 White, long 3 51 83 322/51 = 20.08 White, round 1 17 32 152/17 = 13.24 Total 272 272 Chi squared value = 43.75 (Has 3 df in this table) Punnet published more data in 1917 in which he added a further...