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Humphrey Yao and Chia-Feng Liu

Caption: Veterinary biosciences professor Humphrey Yao and graduate student Chia-Feng Liu found that a gene essential to the development of many organs is also vital to female, but not male, sexual development.

Credit: L. Brian Stauffer, U. of I. News Bureau.

Usage Restrictions: Photo may be used only with stories about the research described in the news release. Please credit: Photo by L. Brian Stauffer, U. of I. News Bureau.

Related news release: Female embryonic sexual development driven by universal factor