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( R! S4 f+ {3 g公仔箱論壇TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。/ H" V& O7 X/ K, a; C- x) O5 l) g
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Telegony is a theory in heredity, now discredited but widely believeduntil the late 19th century, holding that offspring can inherit thecharacteristics of a previous mate of one or both parents.
- R: c, O: E. A! ?2 z. z7 u/ H公仔箱論壇 先父遺傳是一種遺傳上的理論，現今它被證明不真實，但是直到19世紀晚期，它還廣泛地被相信和接受。這個理論是說，後代能繼承父母雙方中一方的前任伴侶的特徵。TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。" ~2 x1 S' F9 |8 W! j
The most widely cited example was Lord Morton’s Mare, cited byCharles Darwin. Lord Morton bred a white mare with a zebra stallion,and when he later bred the same mare with a white stallion, theoffspring strangely had stripes in the legs.
* U l$ F7 U: U p: Z 被引用最多的例子來自Lord Morton的母馬，被達爾文引證。Lord Morton把一匹白色母馬和一匹種斑馬交配，而後他又將同樣一匹母馬與一匹白色種馬交配，它們的後代奇怪地在四條腿上帶有條紋。
& p& p+ V, l, _# O9 t# F* w( }公仔箱論壇 Although August Weismann had expressed doubts about the theoryearlier, it did not fall out of scientific favor until the 1890s, whena series of experiments by James Cossar Ewart in Scotland and otherresearchers in Germany and Brazil failed to find any evidence of thephenomenon. The result obtained by Morton could probably be caused bythe display in the offspring of the recessive genes inherited by theMorton's mare from her parents/grandparents.
3 Q |/ s$ Z, }; I7 E* A' }) a4 g 雖然August Weismann早先對這個理論表示懷疑，但直到19世紀90年代，這理論仍然獲得科學上的支持，直到 JamesCossar Ewart in Scotland及其他一系列研究者在德國和巴西所做的一系列實驗都未發現有關現象的證據。Morton所觀察到的現象可以被解釋為後代從它的父母/祖父母身上繼承了隱性基因，並表現出性狀。% x. V- S/ |/ f
In mammals, each sperm has the haploid set of chromosomes and eachegg has another haploid set. During the process of fertilization azygote with the diploid set is produced. This set will be inherited byevery somatic cell of a mammal, with exactly half the genetic materialcoming from the producer of the sperm (the father) and another halffrom the producer of the egg (the mother, obviously). Thus, the myth oftelegony is fundamentally incompatible with our knowledge of geneticsand the reproductive process.公仔箱論壇4 ?: a. j8 j6 X+ w; P; q
對於哺乳動物來說，每個精細胞都攜帶著構成後代的一半染色體（單倍體》，卵細胞則攜帶另外一半。通過受精作用使受精卵形成一個二倍體。二倍體會遺傳父母雙方每個體細胞的一半基因組，通過精子（來自父親）和卵細胞（來自母親，顯然）。因此，，先父遺傳的神話根本不能與當代遺傳學說的知識和生殖過程相容。公仔箱論壇5 A6 B; |$ A1 W* w3 P. r
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Still, the belief in telegony persists among some politicallymarginal groups, such as White supremacists in the Western world, aswell as some other racists and/or religious fundamentalists, e. g., inRussia and other ex-USSR countries. For example, some Whitesupremacists may argue that if a white woman has sex with anAfrican-American man and produces a child of mixed parentage, thensubsequently has sex with a white man, the second child will also beborn with African-American physical characteristics.TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。. |3 h9 U- c& w# g
TVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。9 Y: F$ i3 {3 _' | g1 I8 S0 R
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然而，對先父遺傳的信奉仍然存在於一些政治邊緣團體中，如西方的白人至上主義，以及其他一些，比如存在於俄羅斯和其他前蘇聯國家中的種族主義和原教旨主義。例如，一些白人至上主義者們認為如果一個白種女子先和美國黑人性交後生下混血兒，然後再與白種男子性交，之後生下的小孩將具有美國黑人的身體特徵。 |
發表於 2009-11-21 08:59 PM
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