< Send not to know for whom the DNA codes, it codes for thee. >

[rayheinrich]

A molecular sleuth with her* nose on,
Sniffed out a malignant transposon.
It jumped genes off their rails,
So they ate their own tails,
Coding proteins that hadn't no clothes on.**



And an alternate that (while still taking a few liberties) is more scientifically correct:

A molecular sleuth with her* nose on,
Sniffed out a malignant transposon.
It jumped genes off their rails,
Switched their heads with their tails
Coding proteins that couldn't be bound on.

*Barbara McClintock discovered 'jumping genes' and earned
a Nobel prize for it in 1983.

**Proteins that don't fold properly are sometimes referred to
as "exposed proteins" which, obviously, wouldn't be wearing
any clothes. (Improperly and immodestly folded proteins,
by the way, have a tendency to really screw things up.)