Do humans and chimpanzees share a common ancestor? Is there genetic evidence for our kinship? If we wanted to test this, where should we look? There are many candidate regions in the genome, but new data on the Y chromosomes of chimpanzees may have shaken them out of our ancestral tree!
According to many evolutionists, the Y chromosome, the DNA sequence that makes men what they are, is supposed to be a degenerate leftover from our early evolutionary history. It is small and slightly twisted when in its condensed form, much of it is made of repetitive material, it contains relatively few protein-coding genes, and, since the corresponding X chromosome is so large, the Y chromosome was thought to not do very much. In addition, only a portion of the Y chromosome is different from the X chromosome (the “male specific Y”, or MSY)….
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