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Related Concept Videos

Types of Genetic Transfer Between Organisms02:18

Types of Genetic Transfer Between Organisms

Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
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Genetic screens are tools used to identify genes and mutations responsible for phenotypes of interest. Genetic screens help identify individuals or a group of people at risk of developing  genetic diseases and help them with early intervention, targeted therapy, and reproductive options.
Forward genetic screens
Forward or “classical” genetic screens involve creating random mutations in an organism’s DNA using radiation, mutagens, or insertion of additional bases, which result in visible changes...
Types of Genetic Transfer Between Organisms02:18

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Genetic transfer occurs when genetic information is passed from one organism to another. It occurs via two mechanisms: vertical gene transfer and horizontal gene transfer. Vertical gene transfer occurs when genetic information is transferred from one generation to the next, which happens much more frequently than horizontal gene transfer. Both sexual and asexual reproduction are forms of vertical gene transfer, where one or more organisms pass some or all of their genome onto their progeny.
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Environmentally Induced Heritable Changes in Flax
08:10

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Published on: January 26, 2011

Genetics. Motivating hotspots.

Molly Przeworski1

  • 1Department of Human Genetics, University of Chicago, 920 East 57th Street, 507F CLSC, Chicago, IL 60637, USA. mfp@uchicago.edu

Science (New York, N.Y.)
|October 15, 2005
PubMed
Summary
This summary is machine-generated.

Scientists have mapped human genome recombination hotspots using linkage disequilibrium data. This research identified over 25,000 hotspots and potential DNA motifs influencing recombination intensity.

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Area of Science:

  • Genetics
  • Genomics
  • Molecular Biology

Background:

  • Characterizing fine-scale recombination rates in mammals is a recent scientific endeavor.
  • Understanding recombination is crucial for genetic studies and evolutionary biology.

Discussion:

  • Myers et al. utilized linkage disequilibrium data to generate a high-resolution recombination map of the human genome.
  • This approach enabled the identification of numerous recombination hotspots across the genome.

Key Insights:

  • Over 25,000 putative recombination hotspots were identified in the human genome.
  • The study revealed the first DNA sequence motifs associated with recombination intensity.

Outlook:

  • Further research can explore the functional implications of identified recombination motifs.
  • High-resolution recombination maps will advance studies in human genetics, evolution, and disease.