Since, in a multicellular organism, different cells need different genes to be active, suchregulation is vital.
由于在多细胞有机体中,不同的细胞需要借助不同的基因以激活自身,所以这种调控至关重要。
What has got a lot of people excited, though, is the idea that epigenetic switches might betransmitted down the generations.
但令人兴奋的是,有观点认为,表观遗传现象中的基因表达调控功能有可能世代相传。
Some see this as contrary to Darwinism, since it would permit characteristics acquiredduring an organism s lifetime to be passed on to its offspring, as suggested by a rivaltheory of evolution put forward by Jean-Baptiste Lamarck.
有些人将之视为对达尔文学说的反证,因为这将允许有机体存活期间所获得的特征遗传给后代,正如法国著名生物学家让巴蒂斯特拉马克所提出的与进化论相对的学说。
This is an exaggeration.
这种想法有些夸张了。
The DNA sequence itself is not being permanently altered.
基因序列不会一直变化,
Even those epigenetic changes that are inherited seem to be subsequently reversible.
甚至那些表观遗传学意义上的变化遗传给下一代后,似乎仍然存在可逆性。
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