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  1. #1
    KyubiNoKitsune is offline Senior Member Respected Member
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    Default Incest against diseases - What the .. ?


  2. #2
    adonai is offline Senior Member Community Builder
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    Nothing really weird about that, but I still wouldn't depend on it, diversity is needed for the overall genetic health of a species, that's why cheetahs are basically screwed as a species.



    Quote Originally Posted by http://en.wikipedia.org/wiki/Incest#Genetics
    Some anthropologists are critical of including biology in the study of the incest taboo, and have argued that there can be no biological basis for inbreeding aversion because inbreeding may in fact be a good thing. Leavitt (1990) is a good representative of this point of view, writing that "small inbreeding populations, while initially increasing their chances for harmful homozygotic recessive pairings on a locus, will quickly eliminate such genes from their breeding pools, thus reducing their genetic loads" (Leavitt 1990, p.974)

    Other specialists claim that this notion betrays a misunderstanding of basic genetics and natural selection. They argue that, while technically possible, the proposed positive long-term effects of inbreeding are almost always unrealized because the short-term fitness depression is enough for selection to discourage inbreeding. Such a scenario has only occurred under extremely unusual circumstances, either in major population bottlenecks, or forced artificial selection by animal husbandry. In order for such a "purification" to work, the offspring of close mate pairings must only be homozygous dominant (free of bad genes) and recessive (will die before reproducing). If there are heterozygous offspring, they will be able to transmit the defective genes without themselves feeling any effects. What's more, this model does not account for multiple deleterious recessives (most people have more than one), or multi-locus gene linkages. The introduction of mutations negates the weeding out of bad genes, and evidence exists that homozygous individuals are often more at risk to pathogenic predation. Because of these complications, it is extremely difficult to overcome the initial "hump" of fitness penalties incurred by inbreeding. (see Moore 1992, Uhlmann 1992)

  3. #3
    child_of_serenity's Avatar
    child_of_serenity is offline Senior Member Always Around
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    All I have to say is that I couldn't "breed" with anyone in my family.

  4. #4
    zen
    zen is offline Senior Member Well Known
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    ????????????

  5. #5
    Adventus Oriri is offline Member Frequent Poster
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    this is an old theory. not entirely untrue you know, cause if you did not know, both these theories are nothing more than hypothesis. neither has been proven.
    incest is also in a way, social conditioning only.. i mean really, one is hardly connected with one's cousin alright. do you know how many generations of genes manage to negate any effect even if you did have one such relationship. all im saying is, at that level it can hardly be deemed as dangerous or whatever.
    im also a biotech and genetics student, so don't diss me just like that.

    oi... serenity, what if your cousin happens to be some out of this world hunk, and everyone else just seems panzy,AND he's interested in you. what then??

    if you are talking genes, hardly matters, you and your cousins children (if you decide not to hook up) have almost no connection whatsoever anyways. they are as good as some significant other somewhere in that world.
    mental conditioning. their is no proof yet.
    the torture of words has finally been put an end to,all hail the mighty Jyuu who has finally put a ban,
    on Yummy Lingo's villanous acts.Unfortunately he has taken the hint too late,
    but the era of ellipse abuse has ended, for 30 days we shall speak of him no more!!!

  6. #6
    Dante Obscuri is offline Senior Member Community Builder
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    I think I'm happy with my diseases. Thank you.


  7. #7
    Talamare is offline Senior Member Always Around
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    hmm
    doesnt work

    Adam and Eve and thier 2 sons cain and abel and 2 daughters (not worthy of names) already interbred enough

    we have lots and lots of diseases

    and since we all come originally from adam and eve then no matter who you screw thier related to you

    (yea i pretty much dont believe what i wrote, but i dont really have an opinion on incest)

  8. #8
    KyubiNoKitsune is offline Senior Member Respected Member
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    Its not like I am for inbreeding, but like its said in the article, there are like hundreds of villages which only suffer from it and a few which profit from it, so could this be just having "luck" in terms of genetic mutations?
    What I mean is, couldnt that have happend in any other isolated village too, which doesnt inbreed somehow (it has to be quite big for that I guess)?

  9. #9
    Dante Obscuri is offline Senior Member Community Builder
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    Quote Originally Posted by Talamare
    Adam and Eve and thier 2 sons cain and abel and 2 daughters (not worthy of names) already interbred enough
    That's a religious statement. It may not be correct to mix religion with science. Religion deals with faith and esotericism, while science deals with what are supposed to be facts.

    I'm not sure if incest indeed causes any problem on the newborn, or if it make it possible to avoid diseases. From my point of view is disgusting.


  10. #10
    dna2playboy is offline Senior Member Community Builder
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    incest = bad

 

 
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