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Thread: Hets

  1. #1
    Registered User pythonkeeper16's Avatar
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    Hets

    I have a question about hets. I know what het means but what i dont know is how people come up with the % of het they are. Also is there any way to tell if an animal is really a Het? because im looking at getting into some ghost/genetic stripe projects and I want to be sure I dont waste 3 years thinking im breeding 2 hets when im breeding 2 normals. Thanks for any help!

  2. #2
    BPnet Veteran Meltdown Morphs's Avatar
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    Re: Hets

    If you really want to be sure your het is in fact a het buy from a reputable breeder and/or make sure to get paperwork of the genetics of the animal your buying. Other that that there are really no consistent ways to tell a het from another normal.
    People come up with traits they see a lot that usually ends up with the animal being a het (ie. Het pied marker/tail stripe) but they are not proven or consistent as clearly known 'normals' sometimes have the markers as well....so basicaly get your paperwork .
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  3. #3
    Old enough to remember. Freakie_frog's Avatar
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    Re: Hets

    First the % is the percent chance that animals is a Het so 100% is a het no if and or butts. 66% better than 50/50 which is a 50% chance.

    As for making sure that your het is a het..the only thing you can do is buy from a reputable breeder.
    When you've got 10,000 people trying to do the same thing, why would you want to be number 10,001? ~ Mark Cuban
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  4. #4
    Old enough to remember. Freakie_frog's Avatar
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    Re: Hets

    Quote Originally Posted by kyote19 View Post
    If you really want to be sure your het is in fact a het buy from a reputable breeder and/or make sure to get paperwork of the genetics of the animal your buying.
    I know of a couple of reputable breeders that don't send paperwork with hets.. So don't be disappointed if you don't get any. Just research your seller and go from there.
    When you've got 10,000 people trying to do the same thing, why would you want to be number 10,001? ~ Mark Cuban
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  5. #5
    Registered User pythonkeeper16's Avatar
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    Re: Hets

    Quote Originally Posted by Freakie_frog View Post
    First the % is the percent chance that animals is a Het so 100% is a het no if and or butts. 66% better than 50/50 which is a 50% chance.

    As for making sure that your het is a het..the only thing you can do is buy from a reputable breeder.
    But do the breeders just say that there 66% het or is there a way that they come up with that number?

  6. #6
    Old enough to remember. Freakie_frog's Avatar
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    Re: Hets

    There is a way to come up with that percent age.

    Het X Het will yeild on average

    25% Homozygous
    25% Normals
    50% Hets

    Since its 1:4 visual the other 3 offspring when figuring in 4's (on average will be normal) two will be hets. So
    3 animals = 100% 100% / 3 = 33.33%
    so each animal has a 33.33% chance of being normal or a 66.66% chance of being a het.
    When you've got 10,000 people trying to do the same thing, why would you want to be number 10,001? ~ Mark Cuban
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  7. #7
    Registered User pythonkeeper16's Avatar
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    Re: Hets

    Thanks you all for your help, this will make it a little easier to get into some recessive genes. In your guys opinion what would be the best starting recessive? I have a female pastel thats ready to breed and a normal female thats ready to breed. I was thinking maybe ghost or Gstripe but I dont know.

  8. #8
    Old enough to remember. Freakie_frog's Avatar
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    Re: Hets

    Quote Originally Posted by pythonkeeper16 View Post
    Thanks you all for your help, this will make it a little easier to get into some recessive genes. In your guys opinion what would be the best starting recessive? I have a female pastel that's ready to breed and a normal female that's ready to breed. I was thinking maybe ghost or Gstripe but I don't know.
    In my opinion the best recessive to get in to is the one that you can't live with out. So if you like g-stripes get that or if you like Pieds or Hypos or what ever your taste.. Go that way..In the end it you that has to clean the poop so you'll want to make sure its an animal you enjoy..
    When you've got 10,000 people trying to do the same thing, why would you want to be number 10,001? ~ Mark Cuban
    "for the discerning collector"



  9. #9
    BPnet Senior Member WingedWolfPsion's Avatar
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    Re: Hets

    I think a punnett square is the easiest way to illustrate inheritance and make it understandable.

    Each single morph het animal has 1 mutant gene and one normal gene. Each single morph homozygous animal has 2 mutant genes. Put the sire's genes along the top, and the dam's along the side--so you will have (for example) "Albino" and 'Normal" along the top, for a het male. If you have a homozygous female (an albino), put "Albino", and "Albino" along the side. Then you just fill in the rest of the square--each offspring will have one gene from the mother, and one from the father.

    http://en.wikipedia.org/wiki/Punnett_square

    http://www.newenglandreptile.com/gen...recessive.html

    You can use a punnett square to figure out the percentages for any combination you choose to cross.

    66% het of course means there's a 2/3 chance the animal will be het (and a 1/3 chance it is a normal).
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  10. #10
    Steel Magnolia rabernet's Avatar
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    Re: Hets

    I find Marc Mandic's page the easiest to explain genetics with recessives.

    http://www.ballpython.ca/genetics.html

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