Re: [新聞] 最新!沒有科學證據顯示同性戀是天生的消失
先說好,後天不一定代表可逆。比方說後天車禍斷掉一條腿的人
,當時接不回去的話,後面也是沒辦法回復了。
去年有個作者 Tuck Ngun 本身是個男同
他找了47對同卵雙胞胎的男性,其中有10對都是男同性戀,而37對則是一個是男同
另外一個則是異性戀。
同卵雙胞胎理論上基因是一樣的,不過事實沒那麼簡單,基因外面有
調控基因表現的分子修飾(epigenetics), 這些是後天獲得的,會去
影響基因如何表現。
他比較了性向一致的雙胞胎(10對),和不一致的(37對)的epigenetics
他找到九個小區塊的epigenetics可以70%正確的預測性向。
這是目前最有力的分子生物學證據,證實男同的性向多半是後天影響造成。
實驗室的新聞稿才剛發表,就傳遍了各大媒體,由於結果過度政治不正確,搞得作者
很慘,來自各種領域的批評不斷。作者甚至到後來放棄了整段研究的正式發表。
(再強調一下,作者本是是出櫃的男同,一樣是被搞到投降)
同性戀究竟是先天還是後天,由於政治正確的答案是先天,這些研究本身都是
很難客觀進行的。
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