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  2. SNP array - Wikipedia

    en.wikipedia.org/wiki/SNP_array

    A single nucleotide polymorphism (SNP), a variation at a single site in DNA, is the most frequent type of variation in the genome. Around 335 million SNPs have been identified in the human genome , [ 1 ] 15 million of which are present at frequencies of 1% or higher across different populations worldwide.

  3. Single-nucleotide polymorphism - Wikipedia

    en.wikipedia.org/wiki/Single-nucleotide_polymorphism

    In genetics and bioinformatics, a single-nucleotide polymorphism (SNP / s n ɪ p /; plural SNPs / s n ɪ p s /) is a germline substitution of a single nucleotide at a specific position in the genome. Although certain definitions require the substitution to be present in a sufficiently large fraction of the population (e.g. 1% or more), [ 1 ...

  4. SNPedia - Wikipedia

    en.wikipedia.org/wiki/SNPedia

    SNPedia (pronounced "snipedia") is a wiki-based bioinformatics web site that serves as a database of single nucleotide polymorphisms (SNPs). Each article on a SNP provides a short description, links to scientific articles and personal genomics web sites, as well as microarray information about that SNP.

  5. SNP genotyping - Wikipedia

    en.wikipedia.org/wiki/SNP_genotyping

    SNP genotyping is the measurement of genetic variations of single nucleotide polymorphisms (SNPs) between members of a species. It is a form of genotyping, which is the measurement of more general genetic variation. SNPs are one of the most common types of genetic variation.

  6. dbSNP - Wikipedia

    en.wikipedia.org/wiki/DbSNP

    The Single Nucleotide Polymorphism Database [1] (dbSNP) is a free public archive for genetic variation within and across different species developed and hosted by the National Center for Biotechnology Information (NCBI) in collaboration with the National Human Genome Research Institute (NHGRI).

  7. SNP annotation - Wikipedia

    en.wikipedia.org/wiki/SNP_annotation

    Single nucleotide polymorphism annotation (SNP annotation) is the process of predicting the effect or function of an individual SNP using SNP annotation tools. In SNP annotation the biological information is extracted, collected and displayed in a clear form amenable to query.

  8. Single-base extension - Wikipedia

    en.wikipedia.org/wiki/Single-base_extension

    The method is used to identify a single-nucleotide polymorphism (SNP). In the method, an oligonucleotide primer hybridizes to a complementary region along the nucleic acid to form a duplex, with the primer’s terminal 3’-end directly adjacent to the nucleotide base to be identified. Using a DNA polymerase, the oligonucleotide primer is ...

  9. Genotyping by sequencing - Wikipedia

    en.wikipedia.org/wiki/Genotyping_by_sequencing

    In the field of genetic sequencing, genotyping by sequencing, also called GBS, is a method to discover single nucleotide polymorphisms (SNP) in order to perform genotyping studies, such as genome-wide association studies . [1] GBS uses restriction enzymes to reduce genome complexity and genotype multiple DNA samples. [2]

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