In <9403160006.AA10351 at spider.ento.csiro.au> thomasb at ento.csiro.au (Thomas Boyce) writes:
>A recent seminar brought up the question of whether there are any examples
>of polymorphism within a species for the presence/absence of introns.
>Are there any examples?
One example is the "mobile" introns in mitochondrial DNA of yeast and
other fungi, but these are self-splicing, not spliceosomal.
University of Dublin
khwolfe at unix2.tcd.ie