Men's sex chromosome

Men's sex chromosome is doomed

The poorly designed Y chromosome that makes men is degrading rapidly and will disappear, even if humans are still around.

Evolutionary geneticist Jenny Graves says that while the process is likely to happen within the next five million years, it could have begun in some isolated groups.

"As long as something came along in its stead, we would not even suspect without checking the chromosomes," she said on Tuesday.

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