Noun | 1. | polymorphism - (genetics) the genetic variation within a population that natural selection can operate on genetic science, genetics - the branch of biology that studies heredity and variation in organisms organic phenomenon - (biology) a natural phenomenon involving living plants and animals single nucleotide polymorphism, SNP - (genetics) genetic variation in a DNA sequence that occurs when a single nucleotide in a genome is altered; SNPs are usually considered to be point mutations that have been evolutionarily successful enough to recur in a significant proportion of the population of a species |
2. | polymorphism - (chemistry) the existence of different kinds of crystal of the same chemical compound chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions chemical phenomenon - any natural phenomenon involving chemistry (as changes to atoms or molecules) dimorphism - (chemistry) the property of certain substances that enables them to exist in two distinct crystalline forms | |
3. | polymorphism - (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences) biological science, biology - the science that studies living organisms organic phenomenon - (biology) a natural phenomenon involving living plants and animals dimorphism - (biology) the existence of two forms of individual within the same animal species (independent of sex differences) |