Question: GFP Leucistic Axolotl breeding

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Antony Rossi

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Does anyone know the inheritance of the gene? Is it dominant or recessive?
 
Antony Rossi said:
Does anyone know the inheritance of the gene? Is it dominant or recessive?
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Leucistic is recessive. Gfp is neither recessive or dominant. If you breed a gfp axolotl to a non gfp axolotl some of the offspring will be gfp. If you breed a gfp axolotl to a gfp axolotl most to all of the offspring will be gfp. Not all of the gfp offspring will "glow" the same under a black light. I'm not certain of the genetics of it. This is what I have seen from practical experience in breeding gfp axolotls.

I'm not sure if gfp can be carried and not expressed in an axolotl like a normal recessive.
 
Most GFP axolotls in circulation derive from a transgene inserted at the Max Planck Institute in Dresden and are bred from a male with a strong expressed gene which appeared to behave as a single mendelian gene expressed in all animals that inherit it shown by the glow being present in 50% of offspring in a mating with a non-transgenic animal.

In later generations all offspring should express the gene if one parent posesses two copies and 75% will occur if both parents posess one copy.

I do not know if axolotls with two copies show stronger expression than those with one.

A pdf of the article giving details is attached.
 

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