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Related Experiment Videos

Mapping the chicken genome

H H Cheng1

  • 1USDA, Agricultural Research Service, East Lansing, Michigan, USA.

Poultry Science
|August 1, 1997
PubMed
Summary
This summary is machine-generated.

Researchers developed the East Lansing (EL) genetic map, a crucial tool for identifying genes controlling complex traits in chickens. This high-density map aids in genome-wide quantitative trait loci (QTL) searches and comparative genomics.

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Area of Science:

  • Genomics
  • Animal Genetics

Background:

  • Economically important traits in chickens are genetically complex, controlled by numerous genes.
  • Identifying quantitative trait loci (QTL) requires a high-quality genetic map.

Purpose of the Study:

  • To describe the East Lansing (EL) genetic map in detail.
  • To enhance its utility for genome-wide QTL searches and comparative mapping.

Main Methods:

  • Construction of a high-density genetic map using established reference families.
  • Integration of microsatellite markers and gene mapping.

Main Results:

  • The EL genetic map comprises 617 markers, with 589 forming 41 linkage groups.
  • Map coverage exceeds 2,700 cM, approximating the chicken genome size.

Related Experiment Videos

  • Includes 322 microsatellite markers and 101 mapped genes.

    • Conclusions:

    • The EL genetic map is a valuable resource for identifying genes underlying complex traits in chickens.
    • The map's density and marker content facilitate genome-wide QTL analysis and comparative genomics.