Definitions for polymorphismˌpɒl iˈmɔr fɪz əm

This page provides all possible meanings and translations of the word polymorphism

Random House Webster's College Dictionary

pol•y•mor•phismˌpɒl iˈmɔr fɪz əm(n.)

  1. the state or condition of being polymorphous.

    Category: Biology, Genetics

  2. genetic variation that produces differing characteristics in individuals of the same population or species. the occurrence of different castes or types within the same sex, as in social ants.

    Category: Developmental Biology

    Ref: pleomorphism .

  3. crystallization into two or more chemically identical but crystallographically distinct forms.

    Category: Crystallography

Origin of polymorphism:

1830–40

pol`y•mor′phic(adj.)

Princeton's WordNet

  1. polymorphism(noun)

    (genetics) the genetic variation within a population that natural selection can operate on

  2. polymorphism, pleomorphism(noun)

    (chemistry) the existence of different kinds of crystal of the same chemical compound

  3. polymorphism(noun)

    (biology) the existence of two or more forms of individuals within the same animal species (independent of sex differences)

Wiktionary

  1. polymorphism(Noun)

    The ability to assume different forms or shapes.

  2. polymorphism(Noun)

    The coexistence, in the same locality, of two or more distinct forms independent of sex, not connected by intermediate gradations, but produced from common parents.

  3. polymorphism(Noun)

    The feature of object-oriented programming pertaining to the dynamic treatment of data elements based on their type, allowing for an instance of a method to have several definitions.

  4. polymorphism(Noun)

    The property of certain typed formal systems of allowing for the use of type variables and binders/quantifiers over those type variables; likewise, the property of certain expressions (within such typed formal systems) of making use of at least one such typed variable.

  5. polymorphism(Noun)

    The ability of a solid material to exist in more than one form or crystal structure; pleomorphism.

  6. polymorphism(Noun)

    The regular existence of two or more different genotypes within a given species or population; also, variability of amino acid sequences within a gene's protein.

Webster Dictionary

  1. Polymorphism(noun)

    same as Pleomorphism

  2. Polymorphism(noun)

    the capability of assuming different forms; the capability of widely varying in form

  3. Polymorphism(noun)

    existence in many forms; the coexistence, in the same locality, of two or more distinct forms independent of sex, not connected by intermediate gradations, but produced from common parents

Freebase

  1. Polymorphism (biology)

    Polymorphism in biology occurs when two or more clearly different phenotypes exist in the same population of a species—in other words, the occurrence of more than one form or morph. In order to be classified as such, morphs must occupy the same habitat at the same time and belong to a panmictic population. Polymorphism as described here involves morphs of the phenotype. The term is also used somewhat differently by molecular biologists to describe certain point mutations in the genotype, such as SNPs. This usage is not discussed in this article. Polymorphism is common in nature; it is related to biodiversity, genetic variation and adaptation; it usually functions to retain variety of form in a population living in a varied environment. The most common example is sexual dimorphism, which occurs in many organisms. Other examples are mimetic forms of butterflies, and human hemoglobin and blood types. According to the theory of evolution, polymorphism results from evolutionary processes, as does any aspect of a species. It is heritable and is modified by natural selection.


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"polymorphism." Definitions.net. STANDS4 LLC, 2014. Web. 30 Sep. 2014. <http://www.definitions.net/definition/polymorphism>.

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