Her 2009 speech was titled : "The Decline and Fall of the Y Chromosome, and the Future of Men." However, last year (2012), the journal Nature published an article debunking the "rotting Y" theory.
Graves said that in her research on "Australia's unique mammals," she had determined that the Y chromosome was active mostly making sperm in the testes, which was a "very dangerous" place owing to the constant division of cells. With every split, there was a chance for a mutation or gene loss, whereas:
