Cavalli-Sforza L L, Feldman M W
Proc Natl Acad Sci U S A. 1983 Aug;80(16):4993-6. doi: 10.1073/pnas.80.16.4993.
We analyze the problem of the competition between genetic and cultural adaptation, testing various types of cultural transmission models versus a genetic (haploid) transmission model. With a vertical (parent-to-child) plus an infectious (oblique) cultural transmission, genetic adaptation always prevails, although its relative increase may be slow and polymorphism may persist for some time. Only under very special conditions of cultural transmission may a permanent polymorphism in which the two types of adaptation are represented be reached. There may, however, be an overall evolutionary advantage to a flexible mechanism of cultural transmission that allows adaptation to new situations for which no genetic mutants are available.
我们分析了基因适应与文化适应之间的竞争问题，测试了各种类型的文化传播模型与基因（单倍体）传播模型。在垂直（父母到子女）加上感染性（间接）文化传播的情况下，基因适应总是占上风，尽管其相对增长可能缓慢，多态性可能会持续一段时间。只有在非常特殊的文化传播条件下，才可能达到两种适应类型都有代表的永久多态性。然而，对于一种灵活的文化传播机制来说，可能存在整体进化优势，这种机制允许适应没有可用基因突变的新情况。
