Homozygous Spider Morph

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Originally Posted by Domepiece

I understand this however the op claimed that pin and spider are co doms and Ive never seen a homo spider or pin

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he claimed pin is dominant which it is and said spider may be co-dom. IF it is lethal it would be co-dom since het version is the spider we know and homozygous would be dead. However there is no evidence of it.

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Originally Posted by Gomojoe

But if dominate it should be possible to have a homozygous version. One that can be breed to a normal and always produce visual spiders.


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From my limited understanding if its dominant there is no homo form. But I'm sure theres probably exceptions and someone will chime in and let me know. Also from what I understand you can only get visuals from a homo form of co dom/inc. dom.

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Originally Posted by WingedWolfPsion

Homozygous Pinstripes have been proven

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I think this is where the confusion started.

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Originally Posted by Domepiece

From my limited understanding if its dominant there is no homo form. But I'm sure theres probably exceptions and someone will chime in and let me know. Also from what I understand you can only get visuals from a homo form of co dom/inc. dom.

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Your are thinking of recessive. a Pastel is a good example of a hetero Co-Dom, and the Super Pastel is the Homo version of the Co-Dom Pastel.

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Originally Posted by Domepiece

From my limited understanding if its dominant there is no homo form. But I'm sure theres probably exceptions and someone will chime in and let me know. Also from what I understand you can only get visuals from a homo form of co dom/inc. dom.

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Dominate just means that the trait is present with only 1 allele affected, and doesn't change the trait if both are affected. Huntington disease is an example where patients have predictable symptoms regardless if they are homo or het. Am I wrong?


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A homozygous spider would be desirable cause it would make visual spiders 100% of the time. Wonder if it could be a multi-allele trait?


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Originally Posted by OhhWatALoser

he claimed pin is dominant which it is and said spider may be co-dom. IF it is lethal it would be co-dom since het version is the spider we know and homozygous would be dead. However there is no evidence of it.

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He also said that pins have been proven as having a homo form so would that be claiming that pin is co dom/ in. dom? Or is that fine as long as its not visually diff from the het form?

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Originally Posted by Gomojoe

A homozygous spider would be desirable cause it would make visual spiders 100% of the time. Wonder if it could be a multi-allele trait?


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I wouldnt think it to be desirable considering the issues it has. From what Ive heard most people aviod trying for the homo and tend to out cross them.

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Originally Posted by Domepiece

I wouldnt think it to be desirable considering the issues it has. From what Ive heard most people aviod trying for the homo and tend to out cross them.

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If it were a co-Dom trait I'd agree with you that a super might have enhanced issues. Maybe that's why there is the theory the homo is fatal. But as I understand it, a homo of a dominate trait would give you 100% chance of seeing the trait in the offspring but wouldn't be any different from a het.


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Originally Posted by RobNJ

I think this is where the confusion started.

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Bingo