優(yōu)生學(xué)具有生物學(xué)上的意義.Eugenics has a biological significance.對(duì) “ 積極 ” 優(yōu)生學(xué)和 “ 消極 ” 優(yōu)生學(xué)往往加以區(qū)分.A distinction is often made between " positive " and " negative " eugenics.消極優(yōu)生學(xué)的范例是試圖破壞一種對(duì)人體有害的隱性基因.An example of negative eugenics woul...