Evolution is a master recycler. It often uses old structures (or ancient genes) for new jobs. The mammalian ear is a perfect example. Over the eons, the jawbones of our fish ancestors became three ...
Sahana is a science journalist and an intern at The Scientist, with a background in neuroscience and microbiology. She has previously written for Live Science, Massive Science, and eLife. View Full ...
1b). Consistent with the idea that sequence evolution by late-acting enhancers supports diversification of head outgrowths, ear cartilage in mice, bats and many other mammals contains specialized ...
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