Jeff Ronne purchased a hypo boa that came from a shipment out of Colombia several years ago and has produced with that boa.
Other than that boa and it's offspring, all of the other hypos in boa culture have CA roots. There are also many non-hypo boas that have CA roots because they were from the same litters as the hypo boas, but just didn't get the hypo gene.
LOTS AND LOTS AND LOTS of misrepresentation going on in this hobby. Many defend it by saying "well... people just know that if it's hypo it's not pure Colombian". But...
1) No, people don't JUST KNOW that at all and
2) What about all of the non-hypo boas produced from those same pairings?
Another way to be sly and get around this quandry is the use of the word "type", as in, "Colombian-type" boa. This is used so that the word "Colombian" can still be attached to the boa (and thus, fetch a higher price than Colombian x Panamanian, etc.) but the seller can still make a veiled attempt at honesty.
IMO, if you don't know EXACTLY what you have, you should call it a "boa constrictor" (or "_____ [insert morph name] boa" ) and stop at that. That's honest and forthcoming.
Just my opinion and I admit I have more strict standards than others so my beliefs are not held by most.
jb
>>I have heard that if you buy a hypo they usually stay smaller as the hypo gene comes from Panamanian BCI. Does that mean when you see hypo morphs they are not pure Columbian BCI? Or does the hypo trait not naturally occur in pure Columbian BCI and has to be crossbred in? Trying to understand the hypo morphs better but I see hypo hogs, then pure hypo Panamanians, then just hypo by itself listed. When they are listed as solely a hypo boa does that mean it is a Panamanian or a cross? Sorry probably a basic guestion for all you morph guys, but the sunsets hog crosses make me drool as just put more questions about the hypo gene in my head. Thanks
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What's written above is purely my opinion. In fact, MOST of what you read on the internet is someone's opinion. Don't take it too seriously 
Jonathan Brady
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