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Table 2 Multiple and complementary crossovers observed in 2n gametes, estimation of the interference coefficient (IC) for each chromosome arm and test for interference between arms (TI)

From: Genetic mapping of centromeres in the nine Citrus clementina chromosomes using half-tetrad analysis and recombination patterns in unreduced and haploid gametes

LG Arm 1 Arm 2 Ratio IC1/IC2 TI
% MCO % CCO IC 1 % MCO % CCO IC 2 X 2 p-value
1 6.17 6.17 0.82 22.22 6.17 0.48 1.71 12.36 0.194
2 4.76 0.00 0.60 21.43 15.48 0.53 1.13 5.82 0.667
3 15.48 10.71 0.59 13.10 4.76 0.53 1.11 5.55 0.937
4 0.00 0.00 1.00 22.78 10.13 0.56 1.79 2.73 0.603
5 0.00 0.00 1.00 30.56 19.44 0.38 2.63 1.39 0.708
6 - - - 44.16 19.48 0.19   - -
7 33.77 19.48 0.39 1.30 1.30 1.00 0.39 14.33 0.074
8 8.86 3.80 0.75 16.46 3.80 0.43 1.74 2.49 0.869
9 7.50 2.50 0.62 0.00 0.00 1.00 0.62 2.64 0.268
  1. % MCO: Percentage of 2n gametes with multiple crossovers.
  2. % CCO: Percentage of 2n gametes with complementary crossovers (phase change).
  3. IC: Interference coefficient.