1. (genetics, of a gene) invariant across a species 
2. Having or existing in a single shape or form

Encyclopedia: Monomorphic

• Proboscidea arenaria
• Proboscidea fragrans
• Proboscidea louisianica
• proboscidean
• proboscidian
• proboscis
• proboscis flower
• proboscis monkey
• proboscis worm
• procaine
• procaine hydrochloride
• procambium
• procarbazine
• Procardia
• procaryote
• procaryotic
• Procavia
• Procavia capensis
• Procaviidae
• procedural
• procedure
• proceed
• proceeding
• proceedings
• proceeds