Table 1.

Centromere positioning within human sperm nuclei. Mean normalized coordinates of centromere FISH signals and standard errors (SE) are shown. Mean dimensions of sperm nuclei studied were L=46.6±1.0, l=32.5±0.6, roundness l/L=0.7, see Figure 1 for the definition of parameters.

CHR	17	2	16	X	Y	6	7
Mean D/L	0.57	0.52	0.58	0.64	0.55	0.56	0.67
SE	0.01	0.02	0.02	0.03	0.03	0.02	0.04
Mean H/L	0.13	0.13	0.11	0.11	0.14	0.18	0.19
SE	0.01	0.01	0.01	0.01	0.01	0.01	0.02