TABLE 1.

Conditional frequency of the QTL gamete from F₂ given the marker genotype

			QTL gametic frequencies
Marker	f	g	Q1Q2	Q1q2	q1Q2	q1q2
M1M1M2M2		22	(1 − ρ1)(1 – ρ2)	(1 − ρ1)ρ2	ρ1(1 − ρ2)	ρ1ρ2
M1M1M2m2		21	(1 − ρ1)	(1 − ρ1)	ρ1	ρ1
M1M1m2m2		20	(1 – ρ1)ρ2	(1 – ρ1)(1 – ρ2)	ρ1ρ2	ρ1(1 – ρ2)
M1m1M2M2		12	(1 − ρ2)	ρ2	(1 − ρ2)	ρ2
M1m1M2m2		11
M1m1m2m2		10	ρ2	(1 − ρ2)	ρ2	(1 − ρ2)
m1m1M2M2		02	ρ1(1 − ρ2)	ρ1ρ2	(1 − ρ1)(1 − ρ2)	(1 − ρ1)ρ2
m1m1M2m2		01	ρ1	ρ1	(1 – ρ1)	(1 − ρ1)
m1m1m2m2		00	ρ1ρ2	ρ1(1 − ρ2)	(1 − ρ1)ρ2	(1 − ρ1)(1 − ρ2)

f is frequency of marker genotype; g is a coded variable for marker genotypes; ρ₁, ρ, ρ₂, and ρ₁₂ are the recombination fractions between M₁ and Q₁, M₁ and M₂, Q₂ and M₂, and Q₁ and Q₂, respectively; ζ = 1 − 2ρ + 2ρ².