The Y Chromosome Is Slowly Vanishing. A New Sex Gene Could Be The Future of Men
The sex of human and other mammal babies is decided by a male-determining gene on the Y chromosome. But the human Y chromosome is degenerating and may disappear in a few million years, leading to our extinction unless we evolve a new sex gene.
https://www.sciencealert.com/the-y-chromosome-is-slowly-vanishing-a-new-sex-gene-could-be-the-future-of-men