Table 1. Coefficient of variation of chromosome peaks of derivative 11 and 15 from B19580t (11;15) lymphoblastoid cell line.

	der 11		der 15
	COEFFICIENT OF VARIATION		COEFFICIENT OF VARIATION
LASER POWER (mW)	HOECHST (% DECREASE IN CV OVER LASER POWER AT 25 mW)	CA3 (% DECREASE IN CV OVER LASER POWER AT 25 mW)	HOECHST (% DECREASE IN CV OVER LASER POWER AT 25 mW)	CA3 (% DECREASE IN CV OVER LASER POWER AT 25 mW)
25	2.94	3.19	1.73	3.12
50	2.78 (−5.4%)	2.96 (−7.2%)	1.53 (−11.6%)	2.85 (−8.7%)
300	2.35 (−20%)	2.77 (−13.2%)	1.46 (−15.6%)	2.48 (−20.5%)

Chromosomes were prepared using a polyamine isolation method and analyzed with laser power intensities varied from 25 mW to 300 mW.