Difference between a normal yellowbelly and bling yellowbelly?

[Tsanford]

If that's the case, then out of interest, why do they separate the two in world of ball pythons morph list ?

Go look at axanthic for example, or albino. Both have different lines, with slight variation.

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[OhhWatALoser]

Go look at axanthic for example, or albino. Both have different lines, with slight variation.

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Axanthics are different morphs, they make double hets when bred together.

NERD has a reputation for making existing morphs sound like something special, some I don't even think are morphs at all but polygenetoc traits. As for the bling yellowbelly...make your own decision on it but there was a thread on here before that showed better looking normal yellowbellys than anything bling.

[Tsanford]

Axanthics are different morphs, they make double hets when bred together.

Wasn't listing the example for the point of which is recessive and which produces double hets.. I used the example to show that there are different lines of the same morphs that have slight variation and sifferences, but are in fact still the same morph. You have markus Jayne, vpi, tsk, jolliff; all are still axanthic, just different lines...

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[OhhWatALoser]

Wasn't listing the example for the point of which is recessive and which produces double hets.. I used the example to show that there are different lines of the same morphs that have slight variation and sifferences, but are in fact still the same morph. You have markus Jayne, vpi, tsk, jolliff; all are still axanthic, just different lines...

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They are not the same morph in the way I see the word used in the hobby, but I guess morph really doesn't have a definition so anyone could see differently.

Perhaps pastel would be a better example.

[PeterPieBaldPython]

Go look at axanthic for example, or albino. Both have different lines, with slight variation.

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There's a huge difference between "axanthic lines" which are mutations on different genes (non-allelic, not compatible) and "yellow belly lines" which, when bred together, still result in ivories (thus same gene: allelic if not identical mutations). Some 'albino lines' (toffee/candy and 'albino') are allelic and some 'albinos' are not in the same gene (lavendar albino).

Having heritable traits that are subtle (brighter color, more intense pattern disruption, etc) segregating along with a documented morph (pastel, mojave, albino) leads to 'line' names (Goldblush mojave, lemon pastel, high contrast albino, banded enchi).

World of Ball Pythons is like a dictionary - it helps the community document the language used to describe the animals and their pattern/color irregularities - the organizers there try to filter the noise from the truly heritable traits, but by no means is that resource capable of fine genetic mapping of polygenic traits. WoBP is amazing and beyond helpful, but don't think of it as proof that EVERY offspring from a 'line' will look the same - there's still huge variation in lots of morphs (calico, I'm lookin' at you!) let alone in the subtle lines.

If you're interested in purchasing a specific animal from a breeder, it's best to ask for pictures of the parents (and if you're buying a proven adult, ask to see the offspring too). Part of the addiction of BP breeding is in the mystery of these subtle differences within morphs. You've gotta catch 'em all.