On Tue, 21 Jul 2009 10:06:39 -0700, randy oliver <[log in to unmask]> wrote:

> However, interpretation of these earlier studies involves
> some caveats and thus full evidence for a direct effect of maternal
> immune experience on offspring immunity is still lacking 

Right. Epigenetics as commonly understood, refers to all sorts of influences that have 
nothing to do with the genome at all. Epigenetics is what is outside of ordinary genetic 
inheritance. Therefore, it includes transfection of immunity, which could account for the 
phenomenon of cross resistance. 

plb

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