Losing wing-like structures through gene suppression may be relatively common, but gaining them again is very unusual. In fact, Prud'homme and colleagues say the treehoppers' helmet is an "unprecedented" innovation in
奇怪的动物——Cyphonia <br/>Losing wing-like structures through gene suppression may be relatively common, but gaining them again is very unusual. In fact, Prud'homme and colleagues say the treehoppers' helmet is an "unprecedented" innovation in