Word: reverted
(lookup in dictionary)
(lookup stats)
Dates: during 2010-2019
Sort By: most recent first
(reverse)
...evolution. It doesn't change DNA. Epigenetic changes represent a biological response to an environmental stressor. That response can be inherited through many generations via epigenetic marks, but if you remove the environmental pressure, the epigenetic marks will eventually fade, and the DNA code will - over time - begin to revert to its original programming. That's the current thinking, anyway: that only natural selection causes permanent genetic change. (See "The Year in Health 2009: From...