Table 3.

Results from test crosses of G₁ colored-eyed progeny with homozygous recessive kh^w

Family	Phenotypic class	No. of animals	Total	χ2
11	Colored-eye	288	569	0.08*
	White-eye	281
122	Colored-eye	69	143	0.16*
	White-eye	74
128	Colored-eye	147	346	7.6*
	White-eye	199
137	Colored-eye	183	464	20.68
	White-eye	281

^*Phenotypic distributions are consistent with 1:1 segregation of a single marker gene as evaluated by χ², df = 1.