Behavior!
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送交者: Enlighten 于 2007-04-30, 15:16:27:
回答: What is the point? 你还把昏昏的话当真啊？ 由 方舟子 于 2007-04-30, 15:12:10:
Their identical genes (not myopic genes) lead them to similar behavior. The similar behavior leads to similar reading habits etc, which then leads to similarity in myopia.
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