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Caption: This shows heterosis and sterility of hybrid between indica and japonica subspecies in rice. This image relates to a paper that appeared in the August 31, 2012, issue of Science, published by AAAS. The paper, by J. Yang at Huazhong Agricultural University in Wuhan, China, and colleagues was titled, “A Killer-Protector System Regulates Both Hybrid Sterility and Segregation Distortion in Rice.”
Credit: [Jiangyi Yang and Qifa Zhang]
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