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Table 3 LRT statistics 2Δℓ = 2(ℓ1 – ℓ0) for model comparisons.

From: Evolution of the class C GPCR Venus flytrap modules involved positive selected functional divergence

Alternative model vs. Null model

2Δℓ

df

χ21%

p

M2 (positive selection) vs. M0 (one-ratio)

20.551

3

11.345

< 0.01

M2 (positive selection) vs. M1 (nearly neutral)

15.834

2

9.210

< 0.01

  1. χ21% values are the critical value of χ2 distribution at 1% level with appropriate degree of freedom.
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BMC Ecology and Evolution

ISSN: 2730-7182

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