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Showing posts with the label Nove scienceNOW

My Quest for the Autism Holy Grail.

Epigenetics? I love my readers; you are quite the knowledgeable bunch.  Just when I get comfortable with one topic, the most recent being Multiple Chemical Sensitivities , you throw me another bone. Fetch, girl, fetch!!! Not knowing what in the world 'epigenetics' was, I jumped in my hovercraft and headed back down the Information Superhighway. I took an exit that seemed to offer the best explanation, we laypeople, might understand. Here's what Wikipedia has to say about it: The modern usage of the word is more narrow, referring to heritable traits (over rounds of cell division and sometimes transgenerationally) that do not involve changes to the underlying DNA sequence. Still confused?  Here's another way to look at it. The Greek prefix epi- in epigenetics implies features that are "on top of" or "in addition to" genetics; thus epigenetic traits exist on top of or in addition to the traditional molecular basis for inheritance. Still not getting ...