TABLE 2

Estimated distributions (as percentages) of the number of chiasmata per meiosis under the assumption of no chromatid interference

No. chiasmataObligate chiasma log2 LR
Chromosome0123
1518590.38
20306640.00
32455300.06
40257500.00
50406000.00
617344903.72
70574300.00
81633600.02
93593800.14
100841700.00
116514300.55
124791700.25
130802000.00
140901000.00
15096400.00
160841600.00
17395200.10
182175406.19
190100000.00
X0495100.00
  • Estimated standard errors for these values are in the range 5–10%. The last column gives the log2 LR testing the hypothesis of an obligate chiasma. The values in some rows do not sum to 100, due to round-off error.