TABLE 7

Expected frequency of nondisjunction in the absence of an achiasmate system (ρ = 0.25, see text)

ε
(E0 tetrad frequency for
each chromosome)
N
(number of chromosomes
that can undergro
nondisjunction)
51023
0.0050.0190.0370.083
0.010.0370.0730.159
0.020.0730.1400.294
0.030.1080.2040.408
0.040.1410.2630.504
0.050.1740.3180.585
0.060.2060.3690.653
0.070.2360.4170.711
0.080.2660.4610.759
0.090.2950.5030.800
0.100.3230.5410.834