Those bottled fruit flies in Bethesda
(darlings of genetic research
   for nearly a century) waste no time
         in getting down to business—
   laboratory love now gone awry
(Ward Odenwald and Shang-Ding Zhang
   bewildered at the males in circles
         who start to link up end-to-end
   with a frenzy once reserved for females—
winged conga lines parading
         the buzz of homo love songs
   filling the air)—a single gene spliced
into this scene responsible
   for findings later published—a stretch
         of DNA on human X
   chromosomes said to affect our sexual
orientation according to