Polymorphism

polymorphism
more than two types of castes of individuals in a colony or community that belong in the same species and are derived from the same parents. The various castes of honeybees, ants, termites, and so forth are typical ...
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Polymorphisms
A polymorphism is a genetic variant that appears in at least 1% of a population.
Examples: ...
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The occurrence in a population (or among populations) of several phenotypic forms associated with alleles of one gene or homologs of one chromosome. See genetic polymorphism.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
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Sequence polymorphism which results in changes in the restriction map.
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Restriction fragment length polymorphism
(Redirected from RFLP)
In molecular biology, ...
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Dr. Francis Collins, director of the National Human Genome Research Institute, defines restriction fragment length polymorphism (RFLP).
related
terms:
deoxyribonucleic acid (DNA), enzyme, polymorphism, linkage, single nucleotide polymorphisms (SNPs) ...
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Polymorphism finder (POMPOUS.swmed.edu): A suite of programs that detects tandem repeats ranging from dinucleotides up to 250-mers, scores them according to predicted level of polymorphism, ...
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Polymorphism
Difference in DNA sequence among individuals. Applied to many situations ranging from genetic traits or disorders in a population to the variation in the sequence of DNA or proteins.
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Polymorphisms in the lengths of tandemly repeated short sequences can be used as molecular markers on the genetic chromosome.
Facts ...
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Polymorphism
The occurrence of more than one form of, for example, a DNA sequence, type of protein or morphological trait in a group of organisms, revealing underlying genetic variation in the population.
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polymorphism
(pol-ee-mor-fiz-um) [Gk. polus, many + morphe, form]
The coexistence of two or more distinct forms of individuals (polymorphic characters) in the same population.
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POLYMORPHISM - Variation within a DNA or RNA sequence.
POLYNUCLEOTIDE KINASE - Enzyme which catalyzes the transfer of the terminal phosphate of ATP to 5' hydroxyl termini of polynucleotides, either DNAor RNA. Usually derived from T4 bacteriophage.
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Polymorphisms. Variant forms of a particular gene that occur simultaneously in a population.
Polynucleotide. A DNA polymer composed of multiple nucleotides. (See Nucleotide.) ...
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polymorphism The presence in a species of more than one structural type of individual.
polynomial A scientific name for an organism composed of more than two words.
polynucleotide A nucleotide of many mononucleotides combined.
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Polymorphism: Difference in DNA sequence among individuals. To be called a polymorphism, a variant should be present in a significant number of people in the population.
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A polymorphism, the existence of two or more forms of sequence between different individuals of the same species, can arise from a change in a single nucleotide.
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Polymorphism occurrence of several distinct forms of a species in the same habitat at the same time
(poly = many; morpho = form)
Polypeptide a chain of amino acids bonded together
(poly = many; pepti = digested cooked) ...
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Genetic polymorphism. Presence of several genetically controlled variants in a population
Genotype. The genetic makeup of an organism, with respect to a given genetic locus, the alleles it carries ...
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Genetic polymorphism
The existence of two or more genetically different classes within a population.
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Balanced polymorphism
: The maintenance of two or more alleles in a population due to a selective advantage of the heterozygote.
Balancing selection ...
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(See DNA polymorphism.) Alternative mRNA splicing. The inclusion or exclusion of different exons to form different mRNA transcripts. (See RNA.) Amino acid.
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Plasminogen activator inhibitor-1 (PAI-1) plasma levels have been consistently related to a polymorphism (4G/5G) of the PAI-1 gene. The renin-angiotensin pathway plays a role in the regulation of PAI-1 plasma levels.
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Through the use of allele-specific PCR, one can easily determine which allele of a mutation or polymorphism an individual has.
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RFLP: Restriction fragment length polymorphism; the acronym is pronounced "riflip". Although two individuals of the same species have almost identical genomes, they will always differ at a few nucleotides.
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Restriction fragment length polymorphisms (RFLP) are variation in DNA fragment banding patterns of electrophoresed restriction digests of DNA from different individuals of a species.
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RFLP: restriction fragment length polymorphism; a technique using small bits of DNA fragments linked to various diseases.
rhodopsin: a light-sensitive pigment of the eye that functions in the detection of light.
ribonucleic acid: see RNA.
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restriction fragment length polymorphism (RFLP) A heritable difference in DNA fragment length and fragment number; passed from generation to generation in a codominant way.
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RFLP Restriction fragment length polymorphism. A difference in restriction fragment length between individuals due to loss or gain of a restriction enzyme site due to point mutation, or insertion or deletion between consecutive sites.
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restriction fragment length polymorphisms (RFLPs) Variations, among individuals in a population, in the length of certain restriction fragments within which certain genomic sequences occur.
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RFLP -- restriction fragment length polymorphism; variations occurring within a species in the length of DNA fragments generated by a species endonuclease. Ribosomal protein -- one of the ribonucleoprotein particles that are the sites of translation.
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