> ## Content Index
> Fetch the complete content index at: https://www.cascadepbs.org/llms.txt
> Use this file to discover other available public pages before exploring further.

# (Almost) Everything You Learned About Genetics Is Wrong
- URL: https://www.cascadepbs.org/show/its-okay-be-smart/episode/almost-everything-you-learned-about-genetics-is-wrong-msmnff/
- Published: 2025-11-25T14:00:54.000Z
- Updated: 2025-11-25T14:30:21.000Z
- Description: Think traits like eye color or tongue-rolling are simple genetics? Think again.
- Author: Cascade PBS Staff
- Tags: Be Smart, Season 13, Episode 13, #ZZZ_Episode_e1e65ce9-060f-4cae-846a-c7ec5a5c47ad, #episode, #ZZZ_Show_dc38a6e9-266e-43c1-b647-45e7445fad27, #v1.16

Think traits like eye color or tongue-rolling are simple genetics? Think again. From Mendel’s peas to modern DNA science, let’s talk about why most human traits aren’t just “dominant” or “recessive.” Eye color, red hair, earlobes, even cilantro—genetics is way messier (and cooler) than you learned in school.