Table 2. MHC class II DRB exon 2 variability in N. albiventris in the whole population and in subpopulations, roosting colonies and sexes.
Level | N | Number of alleles | R | Hobs | Hexp | Individual distance |
---|---|---|---|---|---|---|
All | 215 | 18 | 0.902 | 0.871 | 0.177±0.005 | |
Category | ||||||
Subpopulation | ||||||
BCI | 29 | 13 | 13 | 0.931 | 0.886 | 0.189±0.013 |
Gamboa | 185 | 18 | 13.6 | 0.817 | 0.868 | 0.175±0.006 |
Roosting colonies | ||||||
A | 52 | 16 | 11.1 | 0.981 | 0.901 | 0.190±0.009 |
B | 74 | 18 | 10.4 | 0.838 | 0.856 | 0.164±0.010 |
C | 27 | 13 | 10.1 | 0.889 | 0.839 | 0.166±0.016 |
D | 14 | 9 | 9.0 | 0.857 | 0.767 | 0.171±0.022 |
Sexes | ||||||
Females | 123 | 18 | 17.2 | 0.854 | 0.856 | 0.164±0.008 |
Males | 93 | 17 | 17.0 | 0.967 | 0.888 | 0.195±0.006 |
Abbreviations: BCI, Barro Colorado Island; Hexp, expected heterozygosity; Hobs, observed heterozygosity; Individual distance (±s.e.), individual amino-acid distance between alleles; N, sample size; R, allelic richness adjusted to the smallest sample size per level.