opulations. J. Theor. Biol. 247, 382-390. [168] Wright S, 1931. Evolution in mendelian populations. Genetics, 16, 97-159. [169] Yamagishi T, Jin N, Kiyonari T, 1999. Bounded generalized reciprocity. Adv. Group Process., 16, 161-197. [170] Yamamura, N., Higashi, M., Behera, N., Walcano, J., 2004. Evolution