The AP Bio Podcast

Why You're One in 70 Trillion: Meiosis and Sexual Life Cycles

Alex and Sarah break down Chapter 10 of biology — meiosis, sexual reproduction, and the staggering math behind why you are genetically one of a kind. From diploid cells to crossing over to independent assortment, they make the science stick with vivid analogies, sharp mnemonics, and the jaw-dropping numbers that explain human genetic diversity.