Table 3.

Test for neutrality on amino acid sequence data of the V1/V2 region of env from individual white pulps from the same spleen (90 amino acids)

Sample	n	Saa	Kaa	Daa	daa, %
L-D6	20	21	2.64	−2.114*	3.4
L-D7	21	28	6.61	−0.582	8.1
L-D8	20	14	3.85	−0.089	4.8
L-D10	20	19	6.36	0.709	8.0

Symbols as for Table 1, except: d_aa, mean pairwise number of differences in amino acid sequence. 

^*P < 0.05.