Table 2.

Estimates of variability for each haplotypic class

	n	S	h	Hd	π
Drosophila mauritiana (2088 bp)
maI	103	6	6	0.10	0.00004
maII	18	1	2	0.50	0.00104
maIII	4	6	2	0.67	0.00699
Total	125	112	10	0.38	0.04793
Drosophila simulans (2088 bp)
siI	2	0	1	0.00	0.00000
siII	14	5	4	0.63	0.00370
siIII	3	0	1	0.00	0.00000
Total	19	94	6	0.78	0.05934

Sequence length, after discarding alignment gaps, is shown in brackets after the species name. n is sample size; S is number of segregating sites; h is number of haplotypes; Hd is haplotype diversity; π is silent nucleotide diversity with Jukes-Cantor correction.