Table 1.

Modified MK Test and Neutrality Indices for the Evolution of Four Sexual Adhesin Genes.

Gene	S-Within	S-Between	N-Within	N-Between	P Value	DiS
AGA1	40	190	30	184	0.40	0.0634
AGA2	6	25	7	26	0.90	–0.0287
FIG2	48	561	65	649	0.49	–0.0389
SAG1	21	173	26	195	0.88	–0.0233

NOTE.—Columns 2–3 indicate the number of synonymous changes within and between the two yeast species, respectively. Similarly, columns 4–5 represent the number of nonsynonymous changes either within or between the two species. Column 6 shows the P value for the modified MK test.