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Unformatted text preview: besides parent-to-offspring: a. Vertical (across generation) can be just one parent (e.g., matrilineal), or adoptive parent, or unrelated elder b. Horizontal (members of same generation, like siblings or friends) c. One-to-many (teacher/elder/priest/etc.) d. Many-to-one (peer groups, conformism) 3. Memes rate of replication may vary because of differences in their attractiveness (due to genetically-evolved learning biases, as well as culturally-evolved preferences) 4. Memes may also increase in frequency if they lead one to achieve influential position in social hierarchy (discussed below) These differences can produce very different outcomes from genetic evolution; specifically, they allow us to predict that: 1) Cultural evol. will generally be much more rapid than genetic evol. 2) Cultural evol. may sometimes favor neutral or even maladadaptive outcomes (in terms of genetic fitness) 2)...
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- Fall '10