But the idea that acquired characteristics can be inherited at all is still an important andnovel one, and a worrying example of the phenomenon has been published this week inBioMed Central Medicine.
但是,因表观遗传现象所获得的特征完全可以遗传的观点仍然新颖且重要。本周,BioMed CentralMedicine刊出了一项研究,可例证这一现象,其结果令人担忧。
The study in question, by Virender Rehan of the Los Angeles Biomedical Research Institute,and his colleagues, was of the intergenerational effects of nicotine.
该项研究是由洛杉矶生物医学研究所的Virender Rehan和他的同事们开展的,研究的是尼古丁的代际影响。
It was done in rats, but a rat s physiology is sufficiently similar to a human s to suspect thesame thing may be true in Homo sapiens.
研究人员虽然在大鼠身上进行实验,但因为大鼠的生理机能与人类十分相像,所以研究人员怀疑对于大鼠的研究结果可能同样适用于智人。
In a nutshell, Dr Rehan showed that if pregnant rats are exposed to nicotine, not only willtheir offspring develop the asthma induced by this drug, so will the offspring of thoseoffspring.
简而言之,Rehan博士想说明的是,如果大鼠怀孕时接触尼古丁,不仅下一代会因此患上哮喘,第三代也会深受其害。
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