本研究还证明了禾本科植物的浆片和双子叶植物中花瓣是同源器官的观点。
Our findings corroborate the view that the lodicules of grasses are homologous to eudicot petals.
一次加倍发生在2亿年前，即单子叶和双子叶植物出现之前。
One duplication occurred 200 million years ago, just before monocots and eudicots arose.
此外，本研究还证明了前人禾本科植物的浆片和双子叶植物中花瓣是同源器官的观点。
Moreover, our findings corroborate the view that the lodicules of grasses are homologous to eudicot petals.
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