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Understanding Family Pedigrees in Genetics

Learn about standardized pedigree symbols and their meanings, including male and female adopted individuals, deceased members, twins, couples, and offspring. Explore common relationships depicted in pedigrees for genetic analysis.

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Understanding Family Pedigrees in Genetics

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  1. Unit 6 Lesson 1 History Matters

  2. Six Categories of Risk Behaviors Six Categories of Risk Behaviors Behaviors that contribute most to adverse health and social outcomes…

  3. Standardized Pedigree Symbols and Relationships Male Adopted in Female Adopted out Sex unspecified Deceased Monozygotic twins Divorced Dizygotic twins Couple (horizontal line connects mates) ? Offspring (vertical line connects parents with offspring) Zygosity unknown Source: Adapted from The Genetics Resource Center, Michigan Department of Community Health, Genomics and Genetic Disorders Section, www.migeneticsconnection.org

  4. Sample Pedigree Source: Taken from The Genetics Resource Center, Michigan Department of Community Health, Genomics and Genetic Disorders Section, www.migeneticsconnection.org

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