Table 3.

The association between coat color and polymorphic loci of MC1R gene

Site	Genotype	Cross between Berkshire and Licha black pig					Lulai black pig
		Black	Spotted	χ 2	df	P value	Black	Spotted	P value
	A/A	52	0				31	0
c.51G > A	A/G	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	G/G	8	37				0	5
	--/--	60	0				31	0
c.67_68insCC	CC/--	30	0	127	2	2.64E-28	12	0	5.84E-07
	CC/CC	0	37				0	5
	A/A	52	0				31	0
c.283G > A	A/G	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	G/G	8	37				0	5
	C/C	52	0				31	0
c.305T > C	C/T	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	T/T	8	37				0	5
	C/C	52	0				31	0
c.363T > C	C/T	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	T/T	8	37				0	5
	A/A	1	0				0	0
c.364G > A	A/G	22	0			0.000289	1	0	1.000
	G/G	67	37				42	5
	A/A	8	37				0	5
c.370G > A	A/G	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	G/G	52	0				31	0
	A/A	52	0				31	0
c.729G > A	A/G	30	0	95.14	2	2.19E-21	12	0	5.84E-07
	G/G	8	37				0	5

Note: P values without chi-square value and degree of freedom are from Fisher exact test