Associations & Societies

• The International Society of Genetic Genealogy - Official Website

DNA Family History Databases

• Sorenson Database - mt & Y Databases from the Sorenson Molecular Genealogy Foundation
• Ybase: Genealogy by Numbers - A DNA research database for people knowing ones DNA structure.
• Ysearch - From Family Tree DNA

Family Genetic Testing

• Genetic Testing: KidsHealth.org for Parents - From the Nemours Foundation

Family Medical Information

• Family Medical History & Tools Resources Online - From the National Human Genome Research Institute (U.S. National Institutes of Health)
• Genomics/Family History Resources & Tools - From the U.S. Centers for Disease Control & Prevention (CDC) Office of Public Health Genomics 
• Medical Family Tree on MedicineNet - An article originally on WebMD
• Medical History: How to Compiles Your Medical Family Tree - From the Mayo Clinic
• Medline Plus: Personal Medical Records - From the U.S. National Library of Medicine.
• Your Family History - Your Future - From the National Society of Genetic Counselors

Projects

• DNA Testing by Ancestry.com
• The DNA Ancestry Project - From GeneBase Systems
• DNA Heritage - Official Website - Has free surname search
• GeneTree - DNA Project ($) or SMGF data - otherwise free genealogy social service.
• The Genographic Project - Human Migration, Population Genetics, Maps, DNA. From the National Geographic Society and Sponsors
• My Family History - From the Office of the Surgeon General of the United States.
• Oxford Ancestors - Explore your genetic roots.

Surname DNA Projects (By Surnames)

• Surname DNAList - From FamilyTree DNA & World Familes Network