Table 2. Squared differences in allele frequencies (SDAFs) between white Leghorn pure lines.

	S1	S2	S3	S4	S5	D1	D2	D3	D4	D5	D6
S1		0.004	0.095	0.094	0.082	0.089	0.082	0.072	0.085	0.082	0.073
S2			0.094	0.094	0.080	0.085	0.080	0.070	0.083	0.079	0.071
S3				0.105	0.099	0.112	0.095	0.091	0.098	0.101	0.090
S4					0.085	0.113	0.092	0.089	0.089	0.101	0.085
S5						0.103	0.056	0.060	0.058	0.089	0.057
D1							0.096	0.078	0.096	0.048	0.068
D2								0.032	0.029	0.083	0.061
D3									0.041	0.066	0.055
D4										0.081	0.060
D5											0.050
D6

SDAFs in bold font represent those for which phenotypes were available. In some cases, reciprocal crosses were made, so although the bold SDAFs are 35 in number, we actually had phenotypes for 47 crosses. Because reciprocal crosses had the same SDAF, only the upper diagonal is presented.