Table I. Segregation of root hair phenotypes in the F1 and F2 generations of the hhd mutants backcrossed with the wild type
Cross (♀ × ♂)Total No.NormalHaustorial HairlessRatioχ2Probability
F1 generation
 hhd1-1 × wild type3737037:001
 hhd1-2 × wild type1919019:001
 hhd2 × wild type1515015:001
F2 generation
 hhd1-1 × wild type12392313:10.00.958
 hhd1-2 × wild type196152443:10.70.409
 hhd2 × wild type199148513:10.00.838