2015 Breeding Season

Ahh, my kind of geekiness.

Originally Posted by DuxorW

So your odds of getting more diamonds when you cross the diamond to its het diamond offspring should be closer to 1/2 than to the 1/4 you would normally predict!

Sean Niland had a linked trait in leopard geckos that performed exactly like this. (Afraid I can't remember which mutations.) No one else could seem to produce a double homozygote, but when he finally hit upon one, he bred it back to a parent and ended up with a line that produced twice as many as expected.

A question, though . . . Does the proximity of traits along the strand typically follow what we might think of as a "rational" arrangement? Meaning, since charcoal is an anerythristic trait and lava is hypomelanistic, would they sit farther from each other than--say--charcoal and anery? Or is there no rhyme or reason (at least as we might conceive of it), except in cases of same-allele mutations? Hope that made sense.

Sorry, Joe, for hijacking your thread. Keep the pictures coming!

Originally Posted by crturley

A question, though . . . Does the proximity of traits along the strand typically follow what we might think of as a "rational" arrangement? Meaning, since charcoal is an anerythristic trait and lava is hypomelanistic, would they sit farther from each other than--say--charcoal and anery? Or is there no rhyme or reason (at least as we might conceive of it), except in cases of same-allele mutations? Hope that made sense.

In eukaryotes (everything except bacteria) the answer is generally no, genes are not clustered together based on their function. There are some exceptions. So there would be no reason to expect the anery and charcoal loci to be near each other, and same for loci like hypo and lava.

In bacteria, sometimes genes that function together in the same process are clustered together in units called operons. When their protein products are needed, the genes get transcribed together into a single messenger RNA that encodes multiple proteins. This allows bacteria to quickly and simultaneously produce multiple different proteins that function together in a process, and to turn them off together when they are no longer needed.

Interesting . . . and thanks!

That makes me wonder, then, how many seemingly unrelated aspects of a corn's makeup (including everything from egg size to temperament) might actually be linked, and responsible for originating such stereotypes as "all Sunkissed corns are mean," or "Lavas have poor fertility"--things that were commonly experienced when the mutations first appeared, but less so now. Perhaps once a few crossovers occurred and broke such links, outcrossing has continued the process . . .?

Just a thought.

Target: New Project, Striped Anery het Dilute Sunkissed

Long term target: Sunkissed Striped Blues

Target: Sunkissed Striped Topaz

Target: Tessera, Tessera Sunkissed, Tessera Sunkissed Bloodred

Tessera Ghost het PS x Hypo PS het Anery

Target: Tessera Ghost PS, Tessera Hypo PS, Tessera Hypo, Tessera Ghost

Target: Lavender Motleys het RC and possibly more.

Target: Prove Sunkissed PS is Gazer FREE, before breeding into my colony.

I have been testing ALL of my Sunkissed lines for years now and only work with Stargazer Free lines. When I add a Sunkissed to my colony, such as this very nice Sunkissed PS produced by Walt S, I test them for Stargazer, BEFORE, breeding them into my colony.

This male was bred to two female het Stargazers this year. If enough eggs are hatched, I will know if he carries the Stargazer gene or not, and it will be recorded in the ACR.

Target: Out Crossed Sunkissed Lavas.