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| Open AccessSonic hedgehog controls growth of external genitalia by regulating cell cycle kinetics
The faithful positioning and growth of cells during embryonic development is essential. In this study Seifertet al. demonstrate that inactivation of Sonic Hedgehogduring development of the genital tubercle results in a prolonged G1 phase and a slower rate of growth.
- Ashley W. Seifert
- , Zhengui Zheng
- & Martin J. Cohn