10.3 Polygenic Inheritance (AHL)

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Here’s an interesting clip about twins with different pigmentations:

But what could it be like to grow up so different from your twin? Here’s a good profile of teen boys, from the Guardian.

James (left) and Daniel Kelly, twin brothers. Photograph: Martin Godwin for the Guardian.

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And thanks to C. Fielo for posting this excellent TED Talk from Nina Jablonksi:

Go to the TED page for a transcript, or visit Jablonski’s page from Penn State University.

– Option A: Nutrition review question – how does this link to the vitamin D deficiency questions?

How much sunblock should you wear?

How much sunblock should you wear? From Information is Beautiful

Key terms: polygenic, inheritance, continuous, variation, contributing alleles,