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中国自古就有云“龙生龙,凤生凤”,也有云“近朱者赤,近墨者黑”,也有“孟母三迁”的感人故事。
今天的生物科学与技术的发展也在解释或验证着这些说法。父母播下的是“霸王级龙种”还是“跳蚤级龙种”,我们选择不了,但成年后会不会成为“跳蚤”这可能与后天的抚养和教育相关,因为“龙种”与“跳蚤”高墙之间的开关可能就在与你自身某些基因的甲基化相关,这有点像中国武侠小说里说的通向高超武艺的经脉之门。众多的经脉之门或许就是生物个体多样性的基础。
Nature News (2010年9月14)介绍了Lizzie Buchen有关表观遗传学与后天培养的问题讨论。
Neuroscience: In their nurture
Can epigenetics underlie the enduring effects of a mother's love? Lizzie Buchen investigates the criticisms of a landmark study and the controversial field to which it gave birth.
http://www.nature.com/news/2010/100908/full/467146a.html
rats raised by attentive mothers were, as adults, able to deal with stress better than rats raised by more negligent mothers.
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