Table 1.

Polymorphism at ATR13 and Ppat5.

(a) Average pairwise differences per site (π)
Gene	Isolates	No. of alleles	π total	π syn*	π non†
ATR13	18	15	0.042	0.015	0.05
ATR13 ‡	17	14	0.033	0.014	0.039
Ppat5	16	11	0.002	0.010	0.00008

(b) Chi‐squared test comparing observed and expected polymorphism at ATR13 and Ppat5
Gene	Total no. of sites	Syn. obs.§	Syn. exp.¶	Non‐obs.§	Non‐exp.¶	χ2	P‐value
ATR13	528	7	21	84	70	12.04	0.0005	Ka >> Ks
ATR13 ‡	531	7	14	55	48	4.80	0.0285	Ka > Ks
Ppat5	1983	12	3	1	10	4.80	0.0285	Ka > Ks

^* Pairwise differences at synonymous sites.

^† Pairwise differences at non‐synonymous sites.

^‡ Excluding Hind2 allele.

^§ Number of polymorphisms observed at synonymous (or non‐synonymous) sites.

^¶ Expected number of polymorphisms at synonymous (or non‐synonymous) sites assuming neutral evolution.