both extreme good looking dad and mom unlikely to have beautiful children

both extreme good looking dad and mom unlikely to have beautiful children

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送交者: blackbox 于 2007-10-09, 12:16:32:

回答: the source of evolution is gene mutation, but the criteria of surviving 由 xj 于 2007-10-09, 12:01:25:

that is so called "regression to the mean"

that's a different story (无内容) - xj (0 bytes) 2007-10-09, 12:19:37 (175738)