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Well, there is gene passing on part,  but it turns out that there's a grandmother part too!  Non-reproducing relatives, typically sterile members of a clan, usually older––at least in the case of aphids and humans, play extremely important roles in the survival of daughter offspring.  

It's basically genes in operation at a distance for their own survival.  To turn a phrase or two, "A girl's best friends are genes,"  or "Genes are forever, screw diamonds."

C
On Jul 21, 2010, at 11:16 AM, Lisa Rudy wrote:


Charles Carlson
Senior Scientist
exploratorium
3601 Lyon St.
San Francisco, CA 94123
[log in to unmask]
Tel:   415-561-0319
Fax:  415-561-0370








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