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  1. #1
    BPnet Veteran Jay_Bunny's Avatar
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    Question about Genetics

    My friend has a male blue rat that she wants to breed. (I believe she wants to breed for feeders as well as holdbacks)

    I'm giving her one of my unbred females. Neither are ready for breeding just yet, but will be in the next month. One is a berkshire and the other is a black hooded. I was wondering what colorations and markings either of those breedings will produce. I've never had a blue in my colony so I have no idea how the genetics work for blues.
    Under Construction.....

  2. #2
    BPnet Veteran littleindiangirl's Avatar
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    Re: Question about Genetics

    blues are recessive.

  3. #3
    BPnet Veteran Drew87's Avatar
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    Re: Question about Genetics

    littleindiangirl knows everything about rats where would we be without her haha. i had no idea

  4. #4
    BPnet Veteran Jay_Bunny's Avatar
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    Re: Question about Genetics

    So therefore if you bred it to a black hooded, you would get black hoods, het for blue.

    If you bred it to a berk, you'd get....berks het for blue?
    Under Construction.....

  5. #5
    BPnet Veteran littleindiangirl's Avatar
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    Re: Question about Genetics

    The hooded gene is a recessive, but there are many modifiers to the hooded gene that creat irish, berkshire, hooded, bareback, capped....

    It's almost impossible to say without knowing what each rat carries in regards to modifiers on the H locus.

    But yes, breed a blue to a non blue or non het for blue, you would get all blacks het for blue.

  6. #6
    BPnet Veteran SatanicIntention's Avatar
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    Re: Question about Genetics

    Pet store blues are not healthy, they are incredibly inbred and have alot of health problems, namely lung/heart problems.

    I would not encourage her to breed him.. Just because he's pretty, doesn't make him a good candidate.
    --Becky--
    ?.? Normals, 1.0 100% Het Pied Classic Jungle, 1.0 Yellow Hypo, 0.1 100% Het Butterscotch Hypo, 0.1 100% Het VPI Hypo, 0.1 100% Het Yellow Hypo, 1.0 Enchi, 1.1 Yellowbellies, 0.1 YB Granite, 1.0 Black Pastel, 1.0 Lemon Pastel, 0.1 50% Possible Het Banded Albino, 0.1 Spider, 1.0 Fire, 0.2 Granite

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