Learn how you became the unique individual you are. No two people-even "identical" twins-are identical. Through riveting examples, explore how your face was shaped, why you're likely to be right-handed, even how your sexuality formed.
Arizona Public Media is a service of the University of Arizona and our broadcast stations are licensed to the Arizona Board of Regents who hold the trademarks for Arizona Public Media and AZPM. We respectfully acknowledge the University of Arizona is on the land and territories of Indigenous peoples.