Table 1.

LOH frequencies of six polymorphic microsatellite markers in control, PVS and PCC

Marker No	Name	Chromosome location	Control	PVS	PCC
1	D3S1286	3pter-3p24.2	6/20 (30%)	14/24 (58.3%)	8/8 (100%)
2	D9S171	9p21	9/20 (45%)	17/24 (70.8%)	5/8 (62.5%)
3	D9S753	9q21.1-22.3	5/20 (25%)	16/24 (66.7%)	5/8 (62.5%)
4	D17S654	17p	7/20 (35%)	12/24 (50%)	4/8 (50%)
5	D17S695	17p12	3/20 (15%)	13/24 (54.2%)	5/8 (62.5%)
6	CFS1-R	5q33.3-q34	0/20 (0%)	8/24 (33.3%)	8/8 (100%)
Total			30/120 (25%)	80/144 (55.6%)	34/48 (72.9%)