zebraflavencs":f50d8 said:
Okay, so here is what I am questioning... What recessive and/or non dominant genes can affect the health and behaviors in dragon morphs.. specifically what are the recessives in say for instance, translucents, that still prove out in current generations, actively?
I'm not quite sure I am wording this correctly, so please bear with me all.
I was reading about how the first trans came about... the inbreeding, then line breeding produced the crooked spines, and cork screw tails... Are these still present in current day animals ? Do they still have these recessive genes that so obviously effect their health and well being ? If not, then why ?
I would certainly appreciate any data that is backed up.
Thanks everyone... yeah I know.. leave it to me to make you think deeply
Janie.
i may be able to offer a little bit of knowledge...i'm a certified DNA analyst after i took a forensic technology program in college, and i've got a small background in genetics, so i can possibly help to explain how the recessive genes were bred out of the dragons and why they don't occur in the wild...
recessive genes are exactly that, recessive. meaning that the dominant genes are almost always displayed, and the recessive genes are not. most likely because the recessive genes are less than ideal, and will make an individual inadequate in nature (such as having a crooked spine). in nature, these individuals hardly have time to reproduce because they are unfit for the environment and will die off shortly, whether it be predation or the inability to hunt for food, therefore not passing on their recessive, less-than-ideal trait. whereas when the dominant trait is passed on, (the perfectly straight spine) makes the individual fit for the environment,able to fend off predators and hunt food, therefore living a long time to reproduce many times and passing on his dominant trait. this relates to Charles Darwin and his theory of Natural Selection. so that would be why the recessive traits aren't seen in nature (very brief, of course. i could go on more in depth, but thats waaaaaay boring)
now, with my theory on how the recessive genes were bred out of the dragons in captivity...
the breeders would do everything that happens in nature, but only speeding it up. they would pick the best looking most "fit" dragons (the straightest spine, nicest colour, biggest beard, etc.) and keep breeding those dragons. by avoiding breeding the messed up dragons, there is a lesser chance of passing on that recessive trait. to even lessen the chance of passing on the recessive trait, they probably wouldn't breed the parents of the messed up dragon again, because they carry the recessive gene, even though it may not be displayed. so by breeeding continuosly with the most naturally fit, "perfect" dragons, they would eventually get the recessive genes bred out of the gene pool. this subject can go very in depth, as it involves genotypes, phenotypes, independant assortment, phenotypic ratios, and a lot of statistics and junk, but the breeders would be able to figure out how to breed the recessive trait out of the gene pool by using a pedigree (most of us know it as a family tree). if they can keep track of the parents and offspring that have the recessive gene and avoid breeding those dragons, the recessive gene can be avoided and worked out. the inheritance of genes through generations was first explained by Gregor Mendel in the mid-1800s and he experimented with pea plants. everyone thought of him as a nut, that didn't know anything and was crazy. but after he died his work became famous and started the wonderful world of genetics!
if you want more info on this, i had to write a report on natural selection and recessive traits for school, so if you wanted to read it i could try to dig it up. hope this helped
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