Is Your Eye Color Real?

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateOKAY ↓ More info and sources below ↓ Check out Say It Loud from PBSDS ►► https://www.youtube.com/SayItLoudPBS SUBSCRIBE so you don’t miss a video! ►► http://bit.ly/iotbs_sub The eyes are often the first thing we see when we look at someone. And when you look at them up close, everyone’s eye color is a kaleidoscope of shapes and hues. How does eye color work? The answer involves some very cool physics, and probably isn’t what you were taught in school. And you’ve probably wondered how is eye color inherited, or why some people have blue eyes even if their parents’ eyes are brown? Get ready for a long look deep into the genetics and physics of eye color. #eyes #eyecolor #blueeyes REFERENCES: Genetics of human iris colour and patterns - Richard A. Sturm, Mats Larsson https://onlinelibrary.wiley.com/doi/full/10.1111/j.1755-148X.2009.00606.x Iris Color Classification Scales https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5729215/ GWAS Findings for Human Iris Patterns: Associations with Variants in Genes that Influence Normal Neuronal Pattern Development https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3155193/ Characterization of melanin in human iridal and choroidal melanocytes from eyes with various colored irides. https://www.ncbi.nlm.nih.gov/pubmed/18353148 Can blue eyed parents produce brown eyed children? - Richard A. Sturm https://bioenv.gu.se/digitalAssets/1571/1571499_eyecoloureng.pdf ----------- FOLLOW US for more curiosity: Twitter http://www.twitter.com/DrJoeHanson http://www.twitter.com/okaytobesmart Instagram http://www.instagram.com/DrJoeHanson http://www.instagram.com/okaytobesmart Merch https://store.dftba.com/collections/i... Facebook http://www.facebook.com/itsokaytobesmart Books from our episodes: http://smart-books.tumblr.com/