Here are some possibilities you may be looking for:
* Pleiotropy: This is a biological phenomenon where a single gene influences multiple phenotypic traits.
* Polymorphism: This refers to the occurrence of multiple forms or variations of a trait within a population.
* Pleiomorphism: This is a term used in biology to describe organisms that have different forms depending on their life stage or environmental conditions.
If you could provide more context or a specific source where you encountered this term, I might be able to give you a more accurate answer.