. "\"Any process that modulates a qualitative or quantitative trait of a biological quality. A biological quality is a measurable attribute of an organism or part of an organism, such as size, mass, shape, color, etc.\" [GOC:dph, GOC:isa_complete, GOC:mah, GOC:pr, GOC:vw]" . . "regulation of biological quality" . "regulation of biological attribute" . "regulation of biological characteristic" . .