Table III.

Genetic analysis of M. truncatula developmental mutants and seedling albinism

Cross	Total Progeny Analyzed	Observed		χ2 Value	P Value	No. of Genes and Inferred Nature of Dominance
		Wild type	Mutant
tap  × A17	134	102	32	0.090	>0.750	1 Gene, recessive
plm  × A17	187	145	42	0.644	>0.400	1 Gene, recessive
spk  × A17	141	114	27	2.577	>0.100	1 Gene, recessive
albino  × A20a	495	458	37	1.267	>0.250	2 Genes, recessivea

^a Tested with F₂ ratios of 15:1, wild type:mutant expected for duplicate dominant epistasis.