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Subject: 令男性有同性戀傾向的基因,與促進女性生育能力的基因相同


Author:
Liberal
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Date Posted: 23:44:50 10/14/04 Thu
In reply to: Liberal 's message, "同性戀" on 21:44:08 03/24/04 Wed

明報
2004-10-14

男同性戀基因後繼有人 母系親戚助傳承

一項最新研究發現,令男性有同性戀傾向的基因,與促進女性生育能力的基因相同,因此儘管男同性戀者一般不會有子嗣,但男同性戀者的女性親人一般會生更多子女,使同性戀基因得以承傳下去。這解釋為何男同性戀者雖沒有子女,但男同戀者卻總是佔有一定的人口比例。

意大利帕多瓦大學的研究指出,男同性戀者的母親、姊妹、姨母等母系親戚,平均生育更多子女,他們的姨甥、表兄弟有較大機會是同性戀者。

研究發現,令男性傾向同性戀的基因,亦可促進女性的繁殖能力。這種「男同性戀基因」透過母系親戚散播,確保她們能有多名後代。這批孩子長大後,部分可能成為同性戀者;研究顯示男同性戀者在母系親屬中有同性戀者的機會,較異性戀者為高。

研究指出,先天基因是決定同性戀的其中一個因素,而非單單由個人喜好、成長過程或環境因素所影響。研究結果亦消除了同性戀基因「無以為繼」的疑慮,即使男同性戀者沒有生兒育女,仍可透過母系親戚將基因「傳承」。英國《泰晤士報》



太陽報
2004-10-14

母親基因可遺傳同性戀

【綜合外電報道】科學家指出,母親基因可使同性戀這種特性代代相傳,家庭中兄長數目會影響一個人是否有同性戀傾向。意大利帕多瓦大學的心理學家在一項問卷調查發現,來自大家庭同性戀者通常都是排第二或以後的子女。

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Replies:
Subject Author Date
強烈抗議《時代論壇》社論偏頗!!Liberal21:08:30 10/18/04 Mon
    引文出處聲明Liberal04:20:12 10/19/04 Tue
    Re: 強烈抗議《時代論壇》社論偏頗!!XOX10:29:38 10/19/04 Tue


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