Pics for Josh

[LizStreithorst]

He're ya go

[LizStreithorst]

file too big to post both at the same time...

[JC]

Those are gorgeous

[Mugwump]

...nice tail streamers.... ....very nice 

[BillT]

Interesting phenotype.
There are different numbers of vertical lines in front of the black part.

What's the story with that?

[Mugwump]

Interesting phenotype.
There are different numbers of vertical lines in front of the black part.

What's the story with that?

Two phenotypes there, Bill...One(male) is a silver half black veil. one (female) is a zebra half black std fins....both express bars..the zebra tho, has the extra bar tho....

[LizStreithorst]

There are more stripes on Zebra's.  The ps is a zebra.  The veil is a silver.  Silvers have one less stripe.  Silver is recessive to Zebra, and most people prefer zebras, but the first HB's I ever owned came from George Garcia and they were all silvers.  I was the one who crossed to zebra.  I like it when I see the old genes showing up again.

[LizStreithorst]

Interesting phenotype.
There are different numbers of vertical lines in front of the black part.

What's the story with that?

Two phenotypes there, Bill...One(male) is a silver half black veil. one (female) is a zebra half black std fins....both express bars..the zebra tho, has the extra bar tho....

I'd written out the reason and saw that you'd posted the answer already.  I posted my answer anyway.

[JC]

...nice tail streamers.... ....very nice 

Are tail streamers something you can breed for or do they just show up?  I think if I remember right once I read that they are a sign of perfect water quality

[BillT]

Sweet!

So, are zebra and silver two different alleles of the same gene or are they alleles in completely different genes?

[LizStreithorst]

Sweet!

So, are zebra and silver two different alleles of the same gene or are they alleles in completely different genes?

Now you're talking over my head.  Even partial dominance is over my head.  I don't know alleles from Adam.  All I know is that the genes don't blend.  One is dominant and the other is recessive.  Mug will know the esoteric stuff.

[Mugwump]

Sweet!

So, are zebra and silver two different alleles of the same gene or are they alleles in completely different genes?

Silver and Zebra are on separate loci...
Zebra and Stripeless share a loci ...Zebra is an incomplete dominant...as is the stripeless gene...you can have a silver ghost S/+. or a clown Z/S, or a blushing silver +/+ S/S....but not a zebra blushing....

[LizStreithorst]

This is beyond me.  Are you telling me that Zebra in not dominant over Silver.  I will never wrap my head around this genetic stuff without being shown examples.  The fact that it's over my head makes me feel stupid.  My ignorance of genetics makes me wonder at the fact that I can breed using my eye alone, but I can

[Mugwump]

This is beyond me.  Are you telling me that Zebra in not dominant over Silver.  I will never wrap my head around this genetic stuff without being shown examples.  The fact that it's over my head makes me feel stupid.  My ignorance of genetics makes me wonder at the fact that I can breed using my eye alone, but I can

No, I am not......Zebra is an incomplete dominant, it expresses in single dose...that would make it express over silver....and completely with double copies..Z/Z....dark, marble, and gold marble are incomplete dominates also....

[BillT]

The genetics of this might be explained by one of the genes having an affect up stream of the other in the development of the stripes.

Shutting down the gene upstream of the other could shut down a whole process regardless of the state of the second gene.
Turning up the second one could over ride the first one however.

When one gene interferes with the development of the effects of the other gene, its called epistasis.