TL;DR - JJTalkz Doesn't Understand Biology

The lack of understanding of science is so real it makes me CRIIIINNGGGGEEE.

Source Video:
https://www.youtube.com/watch?v=WtsHv7iUZSE

General Sources:
http://gerardnadal.com/tag/meiosis/
http://slideplayer.com/slide/763359/
http://slideplayer.com/slide/4641483/
http://www.britannica.com/science/hermaphroditism
http://www.isna.org/faq/frequency
https://en.wikipedia.org/wiki/Meiosis
https://en.wikipedia.org/wiki/Nondisjunction

Andorgen insensitivity:
https://www.nlm.nih.gov/medlineplus/ency/article/001180.htm

Baby boy or girl?
https://www.youtube.com/watch?v=HJbRUxvplYA

XXX, XXY, XYY, X0, Y0:
http://learn.genetics.utah.edu/content/disorders/chromosomal/klinefelter/
https://rarediseases.org/rare-diseases/xyy-syndrome/
http://www.mayoclinic.org/diseases-conditions/triple-x-syndrome/home/ovc-20164620
http://www.healthline.com/health/turner-syndrome#Symptoms2
http://anthro.palomar.edu/abnormal/abnormal_5.htm

Secondary Sex characteristics:
http://study.com/academy/lesson/secondary-sex-characteristics-definition-lesson-quiz.html
http://health.howstuffworks.com/sexual-health/sexuality/secondary-sex-characteristics.htm