chapter 6 modern genetics section 2: human genetic disorders what are two major causes of genetic...
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Chapter 6 Modern Genetics
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?
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Chapter 6 Modern Genetics
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
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Chapter 6 Modern Genetics
A Pedigree
A pedigree is a chart or “family tree” that tracks which members of a family have a particular trait.
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Chapter 6 Modern Genetics
Pedigree Activity
Click the Active Art button to open a browser window and access Active Art about pedigrees.
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Chapter 6 Modern Genetics
A Hemophilia Pedigree
The pedigree shows the inheritance of hemophilia, a sex-linked disorder in a family.