Answer: polymorphism

AnswerCrossword Clue
polymorphismThe occurrence of a number of alternative forms within a section of a nucleic acid or protein molecule
polymorphismThe presence of genetic variation within a population, upon which natural selection can operate
polymorphismThe occurrence of different forms among the members of a population or colony, or in the life cycle of an individual organism
polymorphismA feature of a programming language that allows routines to use variables of different types at different times
polymorphismthe circumstance in which two minerals with different crystalline structures have identical chemical compositions, eg diamond and graphite
polymorphismThe occurrence of something in several different forms, in particular