S.B. Feldman wrote:
>An egg contains  one-half to one cell's worth of genetic material; all of
the
>rest is supplied as nourishment for the development of the embryo.

Thank you for the explanation.  After I posted my message, I realized that
an embryo wouldn't contain much genetic material.  However, Dr. Watson
listed caviar as a high-purine food -- possibly an error, unless there is
something special about the roe of large fish.

Cheers,
-- Aaron Wieland