The strengths and problems associated with Mendelian genetics are explored in a video that first reviews Mendelian genetics and independent assortment. Viewers then explore problems with Mendelian genetics such as linked genes, multiple genes, sex chromosomes, and nonnuclear inheritance.

Concepts

phylogenetic trees, genes, inheritance

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Additional Tags

science

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Instructional Ideas

• Pause video after the color blindness cross and ask learners to explain the results before resuming and listening to the narrator's explanation
• Have your class survey their peers to see if their stats for color blindness match 1/10 for males and 1/100 for females

Classroom Considerations

• Assumes scholars understand Mendelian genetics
• Expects that individuals can complete a simple and a complex Punnett square
• The first in a series of 31 videos about genetics

Pros

• Includes a concept map, slideshow, and review worksheet
• Simple and effective example of height to show bell-shape curve; using this concept, the narrator explains why people may not be able to find their size of shoes on the sale rack

Cons

• None

Common Core

RST.11-12.3