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Section 2: Human Genetic Disorders

Section 2: Human Genetic Disorders. What are two major causes of genetic disorders in humans? How do geneticists trace the inheritance of traits? How are genetic disorder diagnosed and treated?. Genetic Disorders. Abnormal conditions that people inherit through genes or chromosomes

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Section 2: Human Genetic Disorders

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  1. Section 2: Human Genetic Disorders • What are two major causes of genetic disorders in humans? • How do geneticists trace the inheritance of traits? • How are genetic disorder diagnosed and treated?

  2. Genetic Disorders • Abnormal conditions that people inherit through genes or chromosomes • May be caused by changes in the DNA of genes • May be caused changes in the overall structure or number of chromosomes

  3. A Pedigree • A pedigree is a chart or “family tree” that tracks which members of a family have a particular trait.

  4. Pedigree Activity • Click the Active Art button to open a browser window and access Active Art about pedigrees.

  5. A Hemophilia Pedigree • The pedigree shows the inheritance of hemophilia, a sex-linked disorder in a family.

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