[問題] DNA 和 gene 比大小
看板post-b.test (後中西醫考試)作者imshaina (shaina)時間13年前 (2011/11/03 01:06)推噓17(17推 0噓 69→)留言86則, 14人參與討論串1/1
這個問題已經不敢拿去問沈浩老師了
只是因為和同學討論我一下也混淆了
就上來請神人指點了
細胞核 > chromosome > gene > DNA
同學的問題是他覺得應該是DNA > gene
但這個觀念其實沈老大強調很久了
所以我確定是gene > DNA
但是gene是DNA中的一段序列 這個也是肯定的
所以為甚麼呢??
想了一陣
我的想法是因為DNA要加入histone然後才能穩定形成染色體
而gene其實是位在chromosome(chromatin)的一個區塊上
(沈浩普講的圖片還特別提出)
所以如果要比“大小”的話,gene > DNA! 因為還有一些蛋白質
恩...
但是其實這個解釋我不敢非常肯定
而且相信還有清楚的說明
網路上的說法也不一定DNA大於gene的也大有人在
麻煩了!
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