allele

Children's taste sensitivity and food choices influenced by taste gene

..." or "bitter or yucky." Having a bitter-sensitive allele (P) on the TAS2R38 receptor gene predicted sensiti...erages and foods. Children with a bitter-sensitive allele (PP or AP) preferred higher concentrations of sucrose solutions than did bitter-insensitive (AA) chi...

NSAID drug protects against intestinal tumors in mice, despite poor diet and gene losses

..., but that number increased to 72 percent when one allele of the p27 gene was lost, and 93 percent when both alleles of the p27 gene were lost. But all of the knock-out mice variants developed tumors in both their small and large intestines when fed a Western-style diet. "This showed that the diet overwhel...

New research examines genetics of successful aging

...y identified an increased frequency of the APOE E2 allele and a decreased frequency of the APOE E4 allele among the elders compared to the group of young adults. These gene variants confer protection and r...

Alcoholism, smoking and genetics among Plains American Indians

...o a common COMT polymorphism, Val158Met. "The Met allele results in a less efficient enzyme and therefore p... norepinephrine in the brain," she said. "The Met allele has also been associated with increased anxiety and neuroticism, increased emotionality in response ...

Key heart and Alzheimer's disease protein imaged for first time in native state

...om 84 years to 68 years. The presence of one apoE4 allele results in an estimated 45 percent chance of developing Alzheimer's by 85 years of age. With two apoE4 alleles, the risk increases to 50?0 percent. "Insights into the basic biology of apoE--and particularly apoE4--gained by Gladstone scientists have...

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allele at Biology Products

CEQ 8800 Genetic Analysis System from Beckman Coulter

...ction, confirmatory sequencing, mutation analysis, allele identification, SNP (single nucleotide polymorphism) scoring, microsatellite instability and amplified fragment length polymorphism fingerprinting. To ensure accurate sample tracking, CEQ 8800 sample set-up can be created at the initial sample prepa...

Saga^GT Microsatellite Analysis Software (Server edition) from LI-COR Biosciences

...ation of standards, calibration of band sizes, and allele scoring. Saga GT is second generation software developed by LI-COR. Saga 1.0 (Unix) was initially developed at the University of Washington and licensed to LI-COR....

Rat Anti-Mouse NKG2A / C/ E Monoclonal Antibody, Unconjugated, Clone 20d5 from Abcam

...n (Mouse): CHO transfected cells expressing the B6 allele of NKG2A. Entrez Gene ID: 3821 Swiss Protein ID: P26715...

allele at Biology Technology

Detect Single Nucleotide Sequence Changes with Mx4000 Molecular Beacon Allelic Discrimination Kits

...es. The molecular beacon specific to the wild-type allele is labeled with the fluorophore tetrachlor...he molecular beacon specific to the mutant allele is labeled with the fluorophore 6-carboxyfluorescein (FAM). DABCYL is used as the quencher o...

Brilliant Core Reagent Kits for QPCR and QRT-PCR

... FAM probe was complementary to the mutant allele (A), and the TET probe was complementary to the wild-type allele (G). We included the passive reference dye, although not required, as the third fluorophore....

Map and Link Human Genetic Disorders with SSLP Analysis

...anel A) were identified for this marker, with each allele differing by at least 2 bp, representing multiples of (CA) dinucleotides. Each allele is represented by multiple bands (stutter bands), which may be produced from Taq DNA...

Fluorescence-Based Single-Tube Assays to Rapidly Detect Human Gene Mutations

...ue of 20 to 32 indicates the presence of aspecific allele and a Ct value of 40 indicates the absence of a specific allele.The maximum Ct value is 40 as PCR proceeds to 40 cycles. The Specific Kits The CFTR (DF508) Mx4000 molecularbeacon allelic discrimination kit ff , is designed to rapidly detect/scre...

The use of the Mastercycler gradient for single-cell PCR and preimplantation diagnosis

...e middle band re p resents the healthy allele (three bp larger), and the top band re...he cell in lane 7 shows ADO, i.e. only the healthy allele is amplified, such that this cell seems homozygous normal. ...

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allele at Biology Definition

Trait

...inance " relationship, the trait of the "dominant" allele shows in the phenotype . Gregor Mendel pioneered modern genetics. His most famous analyses were based on clear-cut traits with simple dominance. He determined that the heritable units, he called "genes", occurred in pairs and could exhibit linka...

Thomas Hunt Morgan

... the tradition of naming genes after their mutant allele . As Morgan continued to cross-breed the mutants back to one another, he noticed that only males displayed the white-eyed trait. From this, he concluded that (1) some traits were sex-linked , (2) the trait was probably carried on the sex chromoso...

Blood type

...he long arm of the ninth chromosome (9q34). A allele gives type A, B gives type B, and i gives type... ). Evolutionary biologists theorize that the A allele evolved earliest, followed by O and then B . This chronology accounts for the percentage of peopl...

Reverse genetics

...n they trace these traits to an underlying faulty allele or gene. Locating the gene on its chromosome is the end point of an investigation. With the readily performed modern techniques of DNA sequencing and as a result of the sequencing of many whole genomes , many genetic sequences are discovered ...

Population genetics

...is the study of the distribution of and change in allele frequencies under the influence of the four evolutionary forces: natural selection , genetic drift , mutation and migration . It also takes account of population subdivision and population structure in space. As such, it is the theory that atte...

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allele at Biology Dictionary

Zygote

...te an individual with a pair of two of the same allele (homo = same like alike; zygo = yoke) Homuncul... dominant selection ) is an example in which an allele selected against in the homozygous state is retained because of the superiority of hetero zygote...

Wild-type

...sider a maternal effect gene where the mutant allele (m) is recessive to the wild-type allele . In the cross of homozygous , wild-type females to homozygous , mutant males, all the F1 offsp...

Wildtype

...pe ; the phenotype produced by a non- wildtype allele . 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 ... Full article >>>...

Wild type

...... Full article >>> A wild type allele is an allele which is considered to be "normal" for the organ ism in question, as opposed to a mutant allele ...

Weed

...to weed out deleterious alleles , or causes an allele to sweep to fixation, it depletes genetic variation . Full article >>> W Weed . An undesirable plant . Weediness. Unwanted effects of a plant . Wild type . An organ ism as found in nature; the organ ism before it is genetically...

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allele at Medicine News

Could Midlife Alcohol Drinking Lead To Dementia ?

...ease the risk of dementia -- the apolipoprotein e4 allele -- appeared more likely to actually develop serious mental problems with increased drinking. Researchers say since this is the first population-based study that prospectively evaluated the effects of midlife alcohol drinking on the development of mi...

Alzheimer Gene Carriers Found To Have Memory Problems

...hers "Alzheimer's gene" is a certain variation or allele of a gene called ApoE (Apolipoprotein E) which is responsible for switching on a protein in the blood that helps carry cholesterol. ApoE has three variations and about one-fifth of people carry the e-4 variation, which is linked to Alzheimer's diseas...

Chronic kidney disease has genetical origins

... variant of gene Apolipoprotein E (APOE) called e2 allele is linked with increased risk of chronic kidney disease. The gene causes abnormalities in the plasma triglycerides that is a common part of malfunction of the kidneys. The APOE gene had also been associated with Alzheimer’s disease and heart disease ...

Hangovers: why some people suffer and some don’

...blems. People from East Asia often have a mutant allele called ALDH2*2 and an inactive ALDH that prevents them from drinking heavily because of feelings of uneasiness or unpleasantness. These people are not able to remove the acetaldehyde from their bodies and may suffer severe hangovers. Results of the ...

Researchers Identify Sipa 1 Gene, Responsible For Cancer Metastasis

...ient transfection assays demonstrated that the FVB allele is less efficient than the DBA allele at reducing the activity of GTP-RAP1. AQP2 inhibits this and does so more effectively with the DBA a...

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Thymocyte

...diting (rearrangement of the other T cell receptor allele to produce a new T cell receptor). The double positive thymocytes undergo lineage commitment, maturing into a CD8+ T cell (recognising MHC class I) or a CD4+ T cell (recognising MHC class II). Lineage commitment occurs at the late stage of positive ...

allele at Medicine Dictionary

Zygote

....e., the affected person has one copy of a mutated allele and one allele that is functioning normally. Full article >>> Simply stated, IVF involves removing e...

Autosomal dominant

....e., the affected person has one copy of a mutated allele and one allele that is functioning normally. Full article >>> Autosomal Dominant PKD What is au...