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genotyping

vb. (present participle of genotype English)

Wikipedia
Genotyping

Genotyping is the process of determining differences in the genetic make-up ( genotype) of an individual by examining the individual's DNA sequence using biological assays and comparing it to another individual's sequence or a reference sequence. It reveals the alleles an individual has inherited from their parents. Traditionally genotyping is the use of DNA sequences to define biological populations by use of molecular tools. It does not usually involve defining the genes of an individual.

Current methods of genotyping include restriction fragment length polymorphism identification (RFLPI) of genomic DNA, random amplified polymorphic detection (RAPD) of genomic DNA, amplified fragment length polymorphism detection (AFLPD), polymerase chain reaction (PCR), DNA sequencing, allele specific oligonucleotide (ASO) probes, and hybridization to DNA microarrays or beads. Genotyping is important in research of genes and gene variants associated with disease. Due to current technological limitations, almost all genotyping is partial. That is only a small fraction of an individual’s genotype is determined, such as with RADseq. New mass-sequencing technologies promise to provide whole-genome genotyping (or whole genome sequencing) in the future.

Genotyping applies to a broad range of individuals, including microorganisms. For example, viruses and bacteria can be genotyped. Genotyping in this context may help in controlling the spreading of pathogens, by tracing the origin of outbreaks. This area is often referred to as molecular epidemiology or forensic microbiology.

Humans can also be genotyped. For example, when testing fatherhood or motherhood, scientists typically only need to examine 10 or 20 genomic regions (like single-nucleotide polymorphism (SNPs)). That is a tiny fraction of the human genome, which consists of three billion or so nucleotides.

When genotyping transgenic organisms, a single genomic region may be all that needs to be examined to determine the genotype. A single PCR assay is typically enough to genotype a transgenic mouse; the mouse is the mammalian model of choice for much of medical research today.

Usage examples of "genotyping".

It was the result of the genotyping test he had had done on Fei Yen and her child.

He knew, from the various conferences he had attended, that the genotyping success rate was accelerating at a pace that astounded even those participating in it.

For obvious reasons, my great-grandmothers weren't very eager to talk about the true parentage of some of their children, and the facts came out only after they got to genotyping everybody as a standard practice.

While, of course, the great strides forward made in China, in the fields of nutrition, sanitation and genotyping, have already made the country's population the healthiest and most able in the world, the people of Yatakang's great ally are eager to hail and adopt this impressive Asian achievement.

Though my studies revolved around tribal linkages and genotyping, I touched on creation myths from time to time.