Why Y Chromosomes Won’t Be Around Forever

The video explores the complexity of sex determination in animals, challenging the common belief that it is solely based on X and Y chromosomes. It highlights various systems, including ZW and environmental factors like temperature. Historical misconceptions are discussed, along with Nettie Stevens' contributions. The video emphasizes the evolutionary nature of sex determination and ongoing research in the field.

Explain how environmental factors can influence sex determination in some species.

What does the research suggest about the permanence of sex determination systems in species?

What is the significance of the SRY gene in sex determination?

How do small sex chromosomes like the Y chromosome evolve over time?