Use Chi-square to test which of 2 possible ratios is the most probable ratio of progeny kernels. Use this information to determine the cross type and parental genotype. Show your work here or on a separate sheet to receive full credit. Cross type does not refer to the type of epistasis! Ear code Colored aleurone Colorless aleurone Ratios tested Degrees of freedom Chisquare value Accept or reject Cross type purple red yellow white A 668 479 Parental genotype(s) for ear A ___ ___ ___ ___ ___ ___ ___ ___ ___ ___ X ___ ___ ___ ___ ___ ___ ___ ___ ___ _