• Hello!

    Either you have not registered on this site yet, or you are registered but have not logged in. In either case, you will not be able to use the full functionality of this site until you have registered, and then logged in after your registration has been approved.

    Registration is FREE, so please register so you can participate instead of remaining a lurker....

    Please be certain that the location field is correctly filled out when you register. All registrations that appear to be bogus will be rejected. Which means that if your location field does NOT match the actual location of your registration IP address, then your registration will be rejected.

    Sorry about the strictness of this requirement, but it is necessary to block spammers and scammers at the door as much as possible.

Hets vs Wild Type appearance

B

Brian88

New member
There are quite a few recessive appearance related genes out there. Are they all completely recessive or if there is incomplete dominance for some of the traits.

In other words, I was wondering if homozygous wild type snakes look any different than the heterozygotes, for say amelanism.
 
The vast majority of corn snake genes are simple recessive. There are no 'het markers' though certain traits are more common in snakes of certain lineages.

Like Masque first started amongst the diffused, so there is a slight chance that a Masque animal is het diffused. But there are plenty of Masques out there that are NOT het diffused.
Because caramels were linebred for more yellow, sometimes the 'hets' can be more yellow... but not always and can be seen on animals that are NOT het caramel.
Sometimes animals from sunkissed lines will have a break in the pattern between the head and first neck saddle. But this is also seen on animals NOT het sunkissed.
 
Buzzard thanks for that website.

Shiari that's what I was getting at. Basically I was looking to see if there was some level of incomplete dominance for any of the traits. A visual 'marker' if you will, to improve the odds of getting a het vs its wild type sibling. Also it could work the other way, maybe a het for some traits wouldn't look as attractive as an adult vs a non het? I was hoping (not expecting) there was something subtle to see for some of the genes.
 
Some say there are slight pattern het markers in het motleys and het diffused to, but they are not very reliable.
 
Brian88 said:
Shiari that's what I was getting at. Basically I was looking to see if there was some level of incomplete dominance for any of the traits. A visual 'marker' if you will, to improve the odds of getting a het vs its wild type sibling.
Click to expand...

Sadly most of it seems to be holdover from being linebred. For example, I have two ghost hatchlings right now that show the pattern break around the head that is often seen in sunkissed lines. However, they are NOT het for sunkissed. It's just an abnormality so the 'markers' are not at all reliable.
 
Brian88 said:
Basically I was looking to see if there was some level of incomplete dominance for any of the traits. A visual 'marker' if you will, to improve the odds of getting a het vs its wild type sibling
Click to expand...

Keeping good track records of your snakes pedigrees is more effective than trusting het markers of recessive traits.

If you are good at looking at the small details in snakes then you can become good at selective breeding.
Most people can combine recessive traits, but not everyone have an eye for wich snakes in a clutch that should be selected for breeding.

If you breed for polygenetic traits, then it is very important to select animals with the most (or at least some) of the desired trait.
 
You must log in or register to reply here.
Back
Top