Validity of the theory of sex in relation to parasites.  Brian
Jones jbj at Wed Dec 9 15:23:43 EST 1992  In article
<1992Dec6.232615.6426 at> xia at (Xia) writes: >In article
<Byt9vv.Jw8 at> adpeters at (Andy Peters) writes: >>In article
<1992Dec5.195711.22967 at> xia at (Xia) writes: >>>No, it does
not make sense, because it applies only to specialised >>>host-
parasite pairs. When the host is harbouring many different
species >>>of parasites, a recombination to avoid one species of
parasite would  >>>send the host to the mercy of other species
of paes. >>I disagree.  No matter how many parasites are
coevolving with the >>host, each parasite population will be
tracking the most common >>host genotype.  By "tracking," I mean
that the parasite populations >>will constantly be evolving to
mimic some feature of the host (not >>necessarily the same
feature for each parasite).  Hence, recombining >>and producing
rare offspring allows the host a chance to escape from >>any
number of parasites. >Are there many people