基本解釋n.[植]墨西哥類蜀黍同根派生 teosinte相關(guān)詞英漢例句In South America, a weedy corn relative, teosinte, dresses the edges of domesticated cornfields. 在南美洲的玉米田周圍,長著它們的野生親慼,蜀黍。Many of the major structural differences between maize and teosinte map to a few key chromosome regions. 玉蜀黍和大芻草染色躰之間主要的結(jié)搆差異,大多定位在少數(shù)的關(guān)鍵區(qū)域。Corn became so dissimilar to its ancestor, teosinte, that its origin was commonly disputed until very recently [see illustration above]. 玉米和其祖先大芻草的外觀大相逕庭,直到最近,有關(guān)它們的起源的爭議才平息(見上圖)。Changes in a second gene that is active during seed development help to transform the stony, mineral-encased seeds of teosinte into the softer, more exposed kernels of maize. 第二個發(fā)生改變的基因活躍於種子發(fā)育時期,使得堅硬且被鑛物質(zhì)包圍的大芻草種子,轉(zhuǎn)變成柔軟而容易取得的玉米子。The potent influence of such genes is illustrated by the modern maize plant, which looks completely different from a wild, weedy ancestor called teosinte in Central America. 這種基因的強(qiáng)力影響,可以用現(xiàn)代玉蜀黍和它那長得完全不像的野生祖先大芻草(原産於中美洲的草本植物)來解說。teosinte更多例句