Patterns of gene flow and selection across multiple species of Acrocephalus warblers: footprints of parallel selection on the Z chromosome

Table 2 HKA test of positive selection

Species^a	Sum of deviations^b	Df^c	P-value^d	P-value^e
A.s.	28.8754	7	0.00015	0.00000
A.p.	17.4805	7	0.01455	0.00310
A.d.	24.4626	7	0.00094	0.00000

^a A. scirpaceus (A.s.), A. palustris (A.p.), A. dumetorum (A.d.)
^bCounted according to the formula ∑ (observed - expected)²/variance)
^cDegree of freedom
^dProbability from chi-square distribution (significant values are indicated in bold)
^eProbability from simulations (no. of simulation 10 000; significant values are indicated in bold)

ISSN: 2730-7182