Reptile & Amphibian Forums

What type of trait is hogism? For example....if you put hog with regular BCI would you get PARTIAL hogism in ALL the boas? FULLY EXPRESSED hogism in SOME of the boas? or would it be a trait FULLY expressed in ALL the boas?

There is no "ism" to speak of with Hoggs. They're their own species. They are naturally hypomelanistic compared to other BCI, but a Hogg is a Hogg, no wizardry involved. Can't think of any other ways to elaborate.

are you serious?? Hogs are not their own species....it is just a different locale..they can breed with normal BCI, and they are BCI...they don't even have their own subspecies...

Just like a huge portion of people in Switzerland have blond hair and blue eyes...99% of people in china have dark hair and eyes...Do you think chinese people are a different species??? laughin...

- Damian

Damian, you are right that Hog Island boas are not their own species, they are a locality. However, many believe that they warrant a subspecies classification of their own.

Ryan, you are right that there is no clear cut geneetics behind Hog Islands. There are many genes at work in every animal to make them appear the way that they do.

When you combine two different localities or subspecies, no baby will ever come out to look exactly like either locale or ssp. Take Damian's example of a Swedish person and an Asain person. When thay have kids, I highly doubt any of them would look 100% Asian or 100% Swedish. The genes that make up their appearances mesh to create a blend of both. THere is no recessive or co-dominant gene that makes a person appear Asain or Swedish, just like there is no single gene that make Hogs, Colombians, or any other Boa appear the way it does. It is a highly complex mixture of genes. Sorry for the rant, I am bored at work.

Chris Canada-Smith
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CCS CONSTRICTORS: Specializing in Morph and Island Localities of BCI

Ok...thanks for all that...but to be clear here...you are saying hogism (for the purposes of my question - "hogism" being the hypo trait which hog island boas show) will appear in varying degrees in all of the offspring? Or will it act more like a co-dominant trait and show up in some of the offspring and not at all in others? Thanks to any who can answer this...

- Damian

IMO, does seem to be a fairly dominant trait. I've only seen a few hog crosses in person but hundreds of pictures online of them. Pretty sure I can spot them a mile away... ie interesting pastels, hypos, and "hondurans", "peruvians", "suri's", ect- if I see that orange body type and the grey heads... I'd have to say, hogism is a foot.
Nice topic-
Matt Schubarth
Pet Nebula

Hogism (hog hypo trait) would be expressed in all of the offspring to one degree or another if a hog was bred to a mate other than a hog....Is that what I'm hearing here??

Thanks!

- Damian

there is a lot more involved with the hog type of hypomelinism than other types of hypo. First, I have never, nor will I, see an entire litter of hog crosses- don't really care about crossing but personally if I owned them again it would be to make pure specimens. Not that my info is very solid but I'd say that hogism is polymorphic in transmition. These boas were so finely isolated from the mainland that they have, in a sense, evolved to carry a truely dominant form of hypomelinism. IMO, it is very unfortunate that they were not given their own sub-specie.
Later-
Matt Schubarth
Pet Nebula

And yes, from what I have seen, crossing any boa to a hog would result in various levels of transmition of the hogs' hypomelinism in ALL offspring.

...

Yes, but via polygenic influences.

(Just making it clear that there is no single gene mutation happening in hogs that some may incorrectly percieve from the term "truly dominant"

but we don't understand it fully yet. It has not been proven exactly how their hypomelanism works yet.
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Ed Lilley, www.constrictorsnw.com

Hogism (hog hypo trait) would be expressed in all of the offspring to one degree or another if a hog was bred to a mate other than a hog....Is that what I'm hearing here??

Thanks!

- Damian

If there were more going on, as in single gene mutation(s), we'd know it by now IMO.

The reduced black phenotype aspect of hogs makes for a factor to easily judge the polygenic influence. Therefore one could argue "Its not like every other locality cross!". What I meant by saying that is it is a multi-gene influence, like every other locality cross would yeild... setting the hypomelanistic aspect aside.