For cross 2: Total (N) = 583 n= 4 Expected (E) frequency = Total/n = 583/4=145.75 %3D Observed (0) Expected (E) (0-E)^2/E Phenotypes Red Eyes /Normal wings White eyes /Normal wings Red eyes/vertical wings White eyes/Vertical wings (0-E)^2 248 145.75 10455.0625 71.7328 234 145.75 7788.0625 53.4344 57 145.75 7876.5625 54.0416 44 145.75 10353.0625 71.0330 Total (N) 583 Chi-square test statistic (y') = 250.2419

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