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

Diploids/Allotetraploid

Autotetraploids


Phenotype

Genotypea

Frequency (fi(r))

Obs (ni)

Obs (ni)

Genotypeb

Frequencyc

Obs (ni)


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

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Log-likelihood

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Log-likelihood

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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


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 fi(α,r) (i = 1, 2, 3, 4) are presented in context. s.d.: standard deviation.

Wang and Luo BMC Biology 2012 10:30   doi:10.1186/1741-7007-10-30

Open Data