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  1. #1
    Registered User Austin C's Avatar
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    Re: I am so confused about breeding morphs...

    Quote Originally Posted by Mohegan View Post
    For example, pastel is a dominant trait. If you crossed it with a normal ball python, you would get 50% pastel babies and 50% het for pastel babies
    With doms (pastel, spider, pin) there is no het form. There is no such thing as Het for pastel. It is either pastel or normal. Het refers to recessives. An albino bred to a normal would produce all het for albinos. Het albino to het albino produces albinos.
    Last edited by Austin C; 08-18-2011 at 08:39 PM. Reason: Punctuation, spelling :)

  2. #2
    Registered User Mohegan's Avatar
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    Re: I am so confused about breeding morphs...

    Quote Originally Posted by Austin C View Post
    With doms (pastel, spider, pin) there is no het form. There is no such thing as Het for pastel. It is either pastel or normal. Het refers to recessives. An albino bred to a normal would produce all het for albinos. Het albino to het albino produces albinos.
    Doi. Thanks

  3. #3
    Registered User Austin C's Avatar
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    Re: I am so confused about breeding morphs...

    Quote Originally Posted by Mohegan View Post
    Doi. Thanks

  4. #4
    Telling it like it is! Stewart_Reptiles's Avatar
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    Re: I am so confused about breeding morphs...

    Quote Originally Posted by Mohegan View Post
    Do some googling - breeding morphs is all about genetics. Learn what heterozygous (het) and homozygous means. Familiarize yourself with the terms dominant, recessive, co-dom, etc., and learn which morphs are what.

    For example, pastel is a dominant trait. If you crossed it with a normal ball python, you would get 50% pastel babies and 50% het for pastel babies.

    It's about math and selective breeding
    Pastel is actually co-dominant and of course there is no het for pastel. Like you said it's all about research

    Quote Originally Posted by Austin C View Post
    With doms (pastel, spider, pin) there is no het form. There is no such thing as Het for pastel. It is either pastel or normal. Het refers to recessives. An albino bred to a normal would produce all het for albinos. Het albino to het albino produces albinos.
    Yes and no while there is no het for pastel, pastel however is an het itself the homozygous form being the Super Pastel.

    In other words there are visual hets (Pastel, YB, Mojave, Cinny) and there are non visual hets (normal looking animals) carrying a recessive gene. (Pied, Albino etc)

    Also Het Albinos X Het Albinos produces Albinos yes (25% chances per eggs) but would also produce normal looking offspring that would each be considered 66% Het Albinos.

    To the OP take your time enjoy the ownership of your first BP get some experience under your belt as a successful owner, you have plenty of time to learn about genetics and breeding as your BP grows.
    Deborah Stewart


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    blueberrypancakes (08-18-2011)

  6. #5
    BPnet Lifer mainbutter's Avatar
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    Re: I am so confused about breeding morphs...

    Quote Originally Posted by Austin C View Post
    Het refers to recessives.
    A common misconception.

    Heterozygous refers to a snake's genotype, where the alleles at a particular locus are not the same. It has nothing to do with whether the traits associated with those alleles are dominant/recessive/incomplete dominant/whatever

    A pastel is a heterozygote and a super pastel is a homozygote. Since the pastel trait is incomplete dominant, the phenotypes for the two previous genotypes look different.
    Last edited by mainbutter; 08-19-2011 at 12:50 AM.

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