Dormant Genes

Just remember that most mutations probably originally come from two wild-type parents. When DNA is being copied to make gametes, the spider gene might pop up due to a rare genetic mutation.

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Originally Posted by jdhutton2000

Here is the "het spider" Not really het but severely reduced spider, to where it looks normal, now without splitting hairs, yes I do see the white coming up the body in some places. In a clutch of Spiders and normal, I can easily see calling this a normal.

https://fbcdn-sphotos-c-a.akamaihd.n...36545646_n.jpg

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I really don't see anything "dormant" at all in that spider. This animal was sold by a large breeder as a spider and I remember the thread when it was posted here.(link below) It is not a "het", it is a spider. I specifically remember identifying it at as a low expression spider that would absolutely produce spiders, and received MUCH criticism for my identification. 99% of the replies were stated that the animal was a normal, and nobody was looking at the obvious signs. This is not that uncommon... Ball pythons take on an appearance outside their genetics quite often but the genetics remain within the animal. It's not dormant, it's just the expression is different due to their incubation development. I've tried to explain how this occurs and why in many previous threads.

Here is the thread that I'm referring to regarding this animal.

http://ball-pythons.net/forums/showt...050-odd-spider




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Originally Posted by majorleaguereptiles

I really don't see anything "dormant" at all in that spider. This animal was sold by a large breeder as a spider and I remember the thread when it was posted here.(link below) It is not a "het", it is a spider. I specifically remember identifying it at as a low expression spider that would absolutely produce spiders, and received MUCH criticism for my identification. 99% of the replies were stated that the animal was a normal, and nobody was looking at the obvious signs. This is not that uncommon... Ball pythons take on an appearance outside their genetics quite often but the genetics remain within the animal. It's not dormant, it's just the expression is different due to their incubation development. I've tried to explain how this occurs and why in many previous threads.

Here is the thread that I'm referring to regarding this animal.

http://ball-pythons.net/forums/showt...050-odd-spider




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to avoid digging up the old thread, I will ask you here, has any other blackhead spider pairings been done or do you have info on the previous pairings? I'm interested on if the allelic theory is proven yet, I have been hearing about it for a while.

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Originally Posted by OhhWatALoser

to avoid digging up the old thread, I will ask you here, has any other blackhead spider pairings been done or do you have info on the previous pairings? I'm interested on if the allelic theory is proven yet, I have been hearing about it for a while.

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4 clutches were produced last year from a spider blackhead breeding to other morphs and even normals, all proving consistent with blackhead and spider being allelic... This adds the total count to 7 to me immediate knowledge all consistent as well. I should have a couple clutches hatching soon.


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