TABLE 6

Expected frequency of nondisjunction in the absence of an achiasmate system (ρ = 0.5, see text)

ε
(E0 tetrad freqency for
each chromosome)
N
(number of chromosomes
that can undergo
nondisjunction)
51023
0.0050.0120.0250.056
0.010.0250.0490.109
0.020.0490.0960.206
0.030.0730.1400.294
0.040.0960.1830.372
0.050.1190.2240.441
0.060.1410.2630.504
0.070.1630.3000.559
0.080.1840.3350.609
0.090.2060.3690.653
0.100.2260.4010.692