Table 1.

Estimation of the linkage relationships between the FeDFR1a and FeDFR2 loci

Locus	Genotype									χ2 values
FeDFR1a	A 1 A 1			A 1 A 2			A 2 A 2			χr2*	ΧDFR1 2	ΧDFR2 2	χL2
FeDFR2	B 1 B 1	B 1 B 2	B 2 B 2	B 1 B 1	B 1 B 2	B 2 B 2	B 1 B 1	B 1 B 2	B 2 B 2
Plants	22	7	0	4	39	3	0	5	17	198.39	1.27	1.00	196.12
										(P < 0.01)	(0.5 < P < 0.6)	(0.6 < P < 0.7)	(P < 0.01)

* χ^r2 (independence)

The linkage distance was estimated as 10.5 cM by using version 2.0 of the MapDisto software [26]