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Re: [請益] 基因改造,三倍體
[ Plant ]28 留言, 推噓總分: +1
作者: iinnii - 發表於 2011/03/25 00:31(13年前)
17Fcolyward:沒錯 不會用放射線進行基改 因為根本是隨機的03/25 02:06
19Fcolyward:目前僅限於剪下 貼上 這種基改 不能拼出未見過的新功能03/25 02:08
[請益] 基因改造,三倍體
[ Plant ]36 留言, 推噓總分: +10
作者: tbstien - 發表於 2011/03/24 20:35(13年前)
10Fcolyward:會標明的原因是因為 有些插入的基因 可能來自動物 但殖入03/25 02:00
11Fcolyward:的標的物是植物 但植物表現出來還是植物 卻帶有動物基因03/25 02:01
12Fcolyward:所以 他是素的 還是 葷的? 是有爭議的 所以要標明03/25 02:02
13Fcolyward:以區別沒改造過的 或改造過的03/25 02:05
14Fcolyward:三倍體(或多倍體)對基改農作的意義是 避免產出下一代03/25 02:11
15Fcolyward:http://highscope.ch.ntu.edu.tw/wordpress/?p=734003/25 02:13
16Fcolyward:參考資料 防止基因流入大自然中03/25 02:14
17Fcolyward:基因表現出蛋白質 基改後的基因表現出的蛋白質可能是03/25 02:19
18Fcolyward:大自然所沒有的 而這些蛋白質不一定會造成人體食入後的過03/25 02:20
19Fcolyward:敏症 但不能保證對所有人都沒影響 畢竟不是自然的03/25 02:21
20Fcolyward:所以有一定的風險在 所以要標明03/25 02:21
21Fcolyward:基改的目的 宗旨 提升產量 好種的種更多 難種的更好種03/25 02:24
22Fcolyward:例如某農產很難種 因為蟲很喜歡吃 使得產量下降03/25 02:25
23Fcolyward:又不想噴灑大量農藥(傷本) 怎麼辦呢 基因改造就登場了03/25 02:26
24Fcolyward:將一段會產生[對蟲有毒蛋白質]的基因 殖入農作物中03/25 02:28
25Fcolyward:蟲吃了作物之後就死了 蟲害下降 產量上升 還不用農藥03/25 02:29
26Fcolyward:或例如 現在有一大塊地 但此地氣候不適合種植作物03/25 02:31
27Fcolyward:空著又浪費 改出適此氣候的作物 不良田因基改作物而良田03/25 02:34
28Fcolyward:沒注意到 好像用了太多推了 抱歉= =aa03/25 02:34
29Fcolyward:或是一次性種子 買種子>種>收成>結束 不能收種子再種03/25 02:36
30Fcolyward:要種要再買新的 = 生技公司印鈔票03/25 02:37
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