Table 2. Marker allele frequencies for mutant and wild-type chromosomes in herding breeds and sighthounds.

	C14.866					REN103E18					REN144I15					G01506
	Herding		Sighthound			Herding		Sighthound			Herding		Sighthound			Herding		Sighthound
Allele	Mut	Wt	Mut	Wt	Allele	Mut	Wt	Mut	Wt	Allele	Mut	Wt	Mut	Wt	Allele	Mut	Wt	Mut	Wt
233		0.008			173	0.995	0.567	0.967	0.315	251	0.092	0.288		0.536	151		0.008
237		0.008			175			0.033	0.105	253					153	0.684	0.317	0.967	0.018
239	0.670	0.267			177		0.203		0.136	255		0.500		0.464	155	0.230	0.056
241	0.010	0.032	0.033	0.133	178		0.128			257		0.111			157	0.061	0.238		0.663
243		0.132		0.343	180	0.005	0.091		0.444	259	0.908	0.097	1.000		159		0.210		0.006
245	0.090	0.028			182		0.011			261		0.004			161	0.026	0.171	0.033	0.313
247		0.363		0.247
249	0.230	0.111	0.967
251		0.052
253				0.277

Deduced from data of mdr1-1Δ and MDR1 homozygous classes where phase was known. MDR1 maps between C14.866 and REN103E18. Mut, mutant; Wt, wild-type. The highest allele frequency for each marker on the mutant chromosome is in bold.