The Y Chromosome May Be Vanishing. What Does It Mean For The Future of Men?

Scientists are debating the Y chromosome’s long-term future: is it still shrinking, or has it stabilized?

One side argues the Y has steadily lost genes and could eventually disappear over evolutionary time.

The other says its essential genes have been conserved for millions of years and look stable in primates.

The outcome matters for understanding sex determination, chromosome evolution, and the future of male reproduction.