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This Punnett Squares and Sex-Linked Traits instructional video also includes:
Until the 1960s, the life expectancy of a hemophiliac was only 11 years. An informative video explains how to solve a Punnett square when there is a sex-linked trait — in this case hemophilia. It includes a discussion of the xy chromosomes and the possible genotypes.
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Concepts
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Instructional Ideas
- Use handouts found at the publisher's website
Classroom Considerations
- Requires prior experience with solving Punnett squares, as well as knowledge of exponents, ratios, percent, and probability
- The 17th video in a series of 33
- This video is hosted on YouTube
Pros
- Video works well in both a traditional or a flipped classroom
- Creators moderate the comments to prevent bad language
Cons
- None