Skip to main content

Table 1 Distribution of seed phenotype and the underlying genotype at the two fluorescence markers in F2 diploid and autotetraploid populations and estimates of the model parameters

From: Polyploidization increases meiotic recombination frequency in Arabidopsis: a close look at statistical modeling and data analysis

  Diploids/Allotetraploid Autotetraploids
Phenotype Genotypea Frequency (f i (r)) Obs (n i ) Obs (n i ) Genotypeb Frequencyc Obs (n i )
Yellow G_R_ 3(1-r)2/4+r(1-r)+r2/2 2,805 1,484 G(i)B(4-i)R(j)C(4- j) f1(α,r) 12,707
Green G_CC r(2-r)/4 322 275 G(i)B(4-i)C(4) f2(α,r) 1,868
Red BBR_ r(2-r)/4 333 298 B(4)R(i)C(4- i) f3(α,r) 2,216
Grey BBCC (1-r)2/4 791 320 B(4)C(4) f4(α,r) 3,098
Estimates r ^ ±s.d. Log-likelihood r ^ ±s.d. Log-likelihood α ^ ±s.d. r ^ ±s.d. Log-likelihood
Present study 0.1643 ± 0.0062 -4,177.79 0.2770 ± 0.0110 -2,553.43 0.0676 ± 0.0121 0.3048 ± 0.0051 -20815.3
Pecinka et al. 0.154 ± 0.009 -4,179.20 0.241 ± 0.018 -2,559.21 - 0.205 ± 0.011 -21010.0
  1. aStands for any other alleles; bG(i)B(4-i)R(j)C(4- i) is a tetraploid genotype containing i 'G' alleles, 4-i 'B' alleles, j 'R' alleles and 4 - j 'C' alleles; cforms of f i (α,r) (i = 1, 2, 3, 4) are presented in context. s.d.: standard deviation.