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A genetic disorder is a condition that is caused by an abnormality in an individual's DNA. Abnormalities can be as small as a single-base mutation in just one gene, or they can involve the addition or subtraction of entire chromosomes. To learn more about the different types of genetic disorders and see some specific examples, browse through the pages below.

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The page you are trying to reach has been decommissioned. At McGraw Hill, we are committed to constantly improving our technology to meet the ever-changing needs of the educators and students we serve. As we focus on our new development efforts, it is time to say goodbye to some of our legacy sites and products.

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Teacher resources and professional development across the curriculum

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Educade | Lesson Plans | LEARN GENETICS AND THE PUNNETT SQUARE WITH THINGDOM

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Educade | Lesson Plans | LEARN GENETICS AND THE PUNNETT SQUARE WITH THINGDOM

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Genetic Traits in Harry Potter " from the National Institute of Health's National Library of Medicine's website is a very extensive lesson on gentics and the genetics of theHarry Potter characters. It includesPowerPoint presentations, student worksheets (in pdf andWord) and their explanation of the Magic ability shows the complexity of the trait to include what causes "Squibs," those with magical parents who have little magical ability.