Men's Y Chromosome is Not About to Go Extinct, Whitehead Institute Study Reveals
2/23/2012 6:54:46 AM
Men aren’t going extinct, scientists assured the world yesterday. The Y chromosome, the strand of DNA that determines male sex, contained about 800 genes some 200 million years ago. Now, though, it has only 30, leading some scientists to conclude it could disappear altogether, bringing about the end of men.
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