The story begins in the early 90's with a commercial collector named Danny Dorge, who is no longer alive. He was a very succesful collector of zonata and cal kings at the time, having been one of the few guys to collect Davis Blackbellies and anerythristic multicinta. Anyway, he had captured a really freaky looking cal king from western El Dorado County and shown it to Merker. That got the gears turning and G. subsequently flipped his own wierd looking adult in the early 90's. It was a big male that later was featured on the cover of one of the trade magazines. Merker and I decided to make a project of it and try to see what was really going on in El Dorado about 1994. During 1994 and 1995, we beat the daylights out of the foothills and probably caught about 200 animals during that period. Most of these were pretty "vanilla" looking animals; dark brown with cream bands. Some were lighter, tan with cream or yellow bands. Rarely, though, we would get wierd one. I remember vividly flipping my first real hypo in May of 1994. It was a pipsqueak male and he looked like he was made of wax. Pale tan and cream with red eyes and blue irises. He went on to sire most of the Blondes I produced when I was doing that. There hasn't been a season as good as '94 and '95 since and having most of the good habitat paved over for a Walmart or cineplex hasn't helped, so I don't know if you can catch one anymore.
That being said, there are a couple of things going on genetically with these animals and I don't know that's a simple recessive trait. The phenotype itself seems to be a form of tyrosinase-positive amelanism. However, there seems to be a sex-linked factor involved, as well. Only males get that feaky speckled look to them. Females are light, but it's a uniform color. When I bred my red-eyed male to a red-eyed female, maybe 25% of the babies would be the "classical" looking hypo. The rest: Normal looking with black eyes. So, who knows? I never was interested in outcrossing them, so can't comment on that.
While genetic traits like amelanism, hypomelanism, striping, pattern aberrancy, etc. are well-documented in coastal So Cal populations, the unique thing about the El Dorado County animals is that they are an inland population and disjunct from anything vaguely close to them. It would not surprise me to get all normal looking babies if somebody were to cross one of them with a coastal hypo, in other words. Probably a similar phenotype but different genetic trait.
Anyway, Merker is the only guy who can set you up with the "real deal" in terms of legitimate locality animals sired by wild-collected parents. If somebody wants, I'll see if I can dig out some slides of my wild adults and F1 litters, scan them, and post them. Wonderful snakes and seeing that photo brings back good memories.