What's in Your Genes? by Katie McKissick

What's in Your Genes? by Katie McKissick

Author:Katie McKissick [McKissick, Katie]
Language: eng
Format: epub, mobi
ISBN: 978-1-4405-6765-0
Publisher: F+W Media
Published: 2014-07-11T16:00:00+00:00


To understand how this one piddly gene affects something as complex as vision, we have to go into your eyeballs. But before that, let me take my contacts out.

Okay, I’m back.

Your eyeball. An orb of goo set in your face. Light enters through the pupil and is projected on the back of your eyeball, the part closest to the back of your head. It’s not unlike a camera, actually. The back of your eye is your retina, and it is carpeted with photoreceptor cells that absolutely love getting light on them.



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