Sex determination: More complicated than you thought - Aaron Reedy

source: TED-Ed     2012年4月23日
View full lesson: http://ed.ted.com/lessons/sex-determi...
From something as small and complex as a chromosome to something as seemingly simple as the weather, sex determination systems vary significantly across the animal kingdom. Biologist and teacher Aaron Reedy shows us the amazing differences between species when it comes to determination of gender.
Lesson by Aaron Reedy, animation by BuzzCo.