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Table 2 Paired comparisons of MHC variation between within-pair and extra-pair mates

From: Mate choice for major histocompatibility complex (MHC) complementarity in the Yellow-rumped Flycatcher (Ficedula zanthopygia)

  n Within-pair mates Extra-pair sires t value p value
Male diversity 34 6.206 ± 0.197 5.852 ± 0.247 1.108 0.276
 Total number of alleles
Similarity to the female 34 0.626 ± 0.023 0.529 ± 0.03 2.644 0.012*
 D = 2Fab/(Fa + Fb)
 Amino acid distance 34 0.163 ± 0.002 0.167 ± 0.002 − 2.337 0.026*
  1. Comparisons were made between within-pair and extra-pair mates (male diversity) and between the similarity estimates for the female and each type of male (similarity to the female). *Significant with p < 0.05