A scanning probe microscope image of human chromosomes.From The Telegraph:
The Y chromosome is evolving far faster than the rest of the human genetic code, according to a study by scientists in America.
The research compared the Y chromosomes - which determine a man’s sex - from humans and chimpanzees, man’s nearest living relatives, and showed that they are about 30 per cent different.
That is far greater than the two per cent difference between the rest of the human genetic code and that of the chimpanzee’s. The changes occurred in the last six million years or so, relatively recently when it comes to evolution.
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