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DF Suggestions / Re: Inbreeding
« on: June 06, 2014, 09:05:20 am »Recessive genes are tricky though. Heavy inbreeding over many generations can actually reduce the overall population percentage with a harmful recessive gene, whereas outbreeding can actually maintain the proportion of the population with the recessive gene.
That's because with inbreeding, the gene is constantly being expressed and thus copies of the gene are excluded from future generations. So it's not just "inbreeding bad lol".
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Focus on things like disease resistance and ability to adapt to a wider variety of environmental conditions. i.e. genes for heat/cold resistance etc.
Disease immunity could be modeled by having each genome have an 8-bit "key" for immunity and a disease has a matching, or complementary key. The more bits match the key, the easier it is for that disease to infect that individual animal. Then, inbreeding would be a real long-term problem, because viruses and the like could be modeled that spread from host to host, and if they mutate to match the host's weaknesses, then it's fatal. By having a herd with a wide variety of "immune systems", it would make it harder for a lethal virus to take hold and wipe them out.
I agree with this idea. A virus that can wipe out my inbred cat population will be great. Also many sad, deformed cats wil die when the day comes.
