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Normalizing Normativity: The 219th Evolutionary Lens with Bret Weinstein and Heather Heying

DarkHorse Podcast

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Evolution of Sex Chromosomes and Genetic Determination Across Species

The chapter explores the evolutionary history of sex chromosomes in different species, focusing on the discovery of the oldest known animal sex chromosome in octopuses dating back 380 million years. It highlights genetic sex determination in mammals, birds, frogs, and insects, discussing the various systems and their evolutionary significance. The speakers delve into the relationship between genetic sex determination, viviparity, and environmental influences across different animal groups.

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