Modified males raised in a laboratory develop normally as they are supplied with this chemical and can be released into the wild. Their subsequent offspring inherit this trait, but find no tetracycline in their environments, so never develop into adults. References
Author
Title

External links
"Tetracycline". Drug Information Portal. U.S. National Library of Medicine.
Pud may refer to:

Pudding, a typically sweet food
Comic strip mascot for Dubble Bubble
A nickname of Albert Kent, a Canadian football coach and olympic rower
A nickname of Philip J. Kaplan, an American entrepreneur
Pud Galvin, a Hall of Fame Major League Baseball pitcher
Pood or pud, an old Russian unit of weight
slang shortened version of "pudendum"PUD can be an acronym for

Planned Unit Development
Public Utility District, a consumer co-op owned utility
Peptic Ulcer Disease