Disappearing Y chromosome: Could the future of humanity be at risk?

The sex of human and other mammal babies is determined by a male-determining gene on the Y chromosome. However, this crucial chromosome is gradually degenerating and may disappear in a few million years, potentially leading to our extinction unless a new sex-determining gene evolves.
The good news is that two branches of rodents have already lost their Y chromosome and survived. A 2022 study published in peer review journal ‘Proceedings of the National Academy of Science’ reveals that the spiny rat has successfully evolved a new male-determining gene, offering hope for humanity’s future. . Watch the video to know more.
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