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Related Concept Videos

Single Nucleotide Polymorphisms-SNPs01:05

Single Nucleotide Polymorphisms-SNPs

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A single nucleotide polymorphism or SNP is a single nucleotide variation at a specific genomic position in a large population. It is the most prevalent type of sequence variation found in the human genome. Point mutations that occur in more than 1% of the population qualify as SNPs. These are present once every 1000 nucleotides on an average in the human genome. Replacement of a purine with another purine (A/G) or a pyrimidine with another pyrimidine (C/T) is known as a transition. In contrast,...
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Genomics02:02

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Genomics is the science of genomes: it is the study of all the genetic material of an organism. In humans, the genome consists of information carried in 23 pairs of chromosomes in the nucleus, as well as mitochondrial DNA. In genomics, both coding and non-coding DNA is sequenced and analyzed. Genomics allows a better understanding of all living things, their evolution, and their diversity. It has a myriad of uses: for example, to build phylogenetic trees, to improve productivity and...
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Principles of Pharmacogenetics: Types of Genetic Variants01:27

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The human genome is over 99.9% identical between individuals, yet genetic differences exist at millions of bases. The human genome contains approximately 3 million variant positions per individual, many of which are heterozygous, contributing to genetic diversity and individual traits. Genetic variations include single-nucleotide polymorphisms (SNPs), insertions, deletions, and copy number variations (CNVs).SNPs, the most common variation, involve single-base changes in DNA. These can be...
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Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
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Microarrays are high-throughput and relatively inexpensive assays that can be automated to analyze large quantities of data at a time. They are used in genome-wide studies to compare gene or protein expression under two varied conditions, such as healthy and diseased states. Microarrays consist of glass or silica slides on which probe molecules are covalently attached through surface functionalization. Most commonly, the slides are prepared through the chemisorption of silanes to silica...
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Infinium Assay for Large-scale SNP Genotyping Applications
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High-throughput SNPs for all: genotyping-in-thousands.

Scott A Pavey1

  • 1Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, 1030 Avenue de la Médecine, Québec, QC, G1V 0A6, Canada.

Molecular Ecology Resources
|June 23, 2015
PubMed
Summary
This summary is machine-generated.

Understanding species

Keywords:
conservation biologyconservation geneticsecological geneticslandscape geneticspopulation genetics

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Area of Science:

  • Conservation genetics
  • Population genomics
  • Evolutionary biology

Background:

  • Genetic structure is vital for conservation efforts, informing management units and adaptation.
  • Neutral genetic markers like SNPs provide insights into migration and drift without full genome sequencing.
  • Previous methods for genetic analysis were time-consuming and costly.

Discussion:

  • The study highlights the importance of neutral genetic variation for understanding species.
  • It emphasizes the need for efficient methods to analyze genetic diversity across numerous species.
  • The presented method addresses limitations of older genetic analysis techniques.

Key Insights:

  • Genotyping-in-thousands (GT-seq) offers a cost-effective and rapid method for obtaining neutral genetic data.
  • This technique accelerates the pace of meta-phylogeographic studies.
  • GT-seq enables conservationists to delineate management units and understand population dynamics more effectively.

Outlook:

  • This advancement promises to significantly expand our understanding of genetic diversity across Earth's estimated 9 million species.
  • It will aid in identifying cryptic species and informing captive breeding programs.
  • The method supports a more comprehensive global understanding of species' genetic landscapes.