Piebald (pbx), found in Emerson's cultures, seedlings and plants with large, indefinite patches of white and yellow

2. Piebald (pb_x), found in Emerson's cultures, seedlings and plants with large, indefinite patches of white and yellow. Classification good, viability fair. Chrom. 6. Linkage data from F₂ crosses:

Genes	Phase	XY	Xy	xY	xy	Total	% recomb.
Y₁ Pb_x	CS	402	50	40	122	614	15.5
Pl Pb_x	CS	239	14	29	34	316	16.5

These data indicate that pb_x is located between Y₁ and Pl in chrom. 6.