M y whole thinkin g understanding about the y chromosome is now has been transformed by that understanding that the y , together with the x , represent s a grand experiment of nature: to transform a perfectly matched ordinary pair of chromosomes into this extraordinarily differentiated x and y chromosomes , something that we understand has unfolded across the last 300 million years of our evolution. W hat I understand here: M y understanding has changed, because Y with together x, transformed ordinary pair to differentieated x and y chromosomes, which unfolded across the last 300 million years of our evolution. It just feels like it's a little repetitious.
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