HME

Family History

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Family History, Pedigree

  • Epidemiology
  • Percentage of shared genes among relatives
  1. First Degree Relatives share 50% of genes
    1. Children
    2. Parents
    3. Siblings
  2. Second Degree Relatives share 25% of genes
    1. Aunts and Uncles
    2. Neices and nephews
    3. Grandparents
    4. Half-siblings
  3. Third Degree Relatives share 12.5% of genes
    1. First Cousins
    2. Great Grandparents
  • Associated Conditions
  • Single Gene Diseases
  • Resources
  1. U.S. Surgeon General's Family History Initiative
    1. http://www.hhs.gov/familyhistory