Table 2.

Two point lod scores between disease phenotype and markers linked to the North Carolina macular dystrophy locus on chromosome 6q

	Recombination fraction
Microsatellite marker	0.00	0.05	0.10	0.20	0.30	0.40	Z max	θ max	Excln θ	Excln cM
D6S251	−∞	−2.02	−1.39	−0.76	−0.41	−0.17	0.00	0.50	0.05	5
D6S252	−∞	−1.15	−0.65	−0.25	−0.10	−0.03	0.00	0.50	0.01	1
D6S1717	−∞	−0.33	−0.12	0.01	0.02	0.01	0.02	0.30	<0.001	<0.1
D6S1543	−∞	−0.92	−0.45	−0.11	−0.02	−0.00	0.00	0.50	0.01	1
D6S468	−∞	−1.17	−0.65	−0.23	−0.06	−0.01	0.00	0.50	0.02	2
D6S283	−∞	−0.02	0.23	0.36	0.30	0.17	0.36	0.20	<0.001	<0.1

Excln θ is the recombination fraction at a lod score of −2; Excln cM is the genetic distance (in centimorgans) around the marker which is excluded from linkage.