| | #11 | |
| Jr. Member Join Date: Apr 2007
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"In the feline genome, some areas are known to be mutational "hotspots" e.g. the short-legged, bobtail and rex fur mutations have all occurred independently in various unrelated geographical locations over the centuries" NEW FELINE MUTATIONS - WHAT HAPPENS NEXT?
__________________ My primordial nature has no liking for the life in the cities. To be free from the noise I built a little thatched cottage. Far away in the depth of the mountains. Wandering here and there I carry no thought. | |
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| | #12 | ||
| Member Join Date: Aug 2007
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From the very same page you linked me to, it says: Quote:
Human Controlled != "mutation" Mutation = naturally or uncontrolled variances just in case... != means "doesn't equal" =D | ||
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| | #13 |
| Buddhist Curmudgeon ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Join Date: Aug 2004
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| The development of dog breeds had very little to do with random mutation, at least not random mutation at the time the breeds were developed. Prior to the ascent of man as the dominant species on this planet, the top of the food chain belonged to the wolves. There were varieties of wolves with specialized phenotypes for environments from the arctic almost to the equator. Wolves are a much more ancient race than man and contain within their genome the possibilities of everything from Yorkshire Terriers to English Mastiffs. A Teacup Poodle and an Irish Wolfhound are the same species and can (with a little help) mate. I find that amazing. Can you imagine if humans had that kind of size variability? There would be adults weighing 50 pounds and adults weighing 10,000 pounds! Breeding dogs is more a matter of regulating existing genes than finding new mutations and building on them. Mutations are rare and only one in a hundred mutations provides any positive benefit. Chihuahuas and St. Bernards have the same genes. The difference in their phenotypes comes from the different ways the same genes are called upon to express themselves.
__________________ "Say, don't you remember, they called me Al; it was Al all the time. Say, don't you remember, I'm your pal? Buddy, can you spare a dime?" ~ Yip Harburg, 1931 Last edited by Buzzby : 05-07-2008 at 10:32 PM. Reason: typo |
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| | #14 | |
| Member Join Date: Aug 2007
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lol I evernote so many things you say =P | |
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| | #15 |
| New Member Join Date: Apr 2007
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| We evolved from ape like creatures million's of years ago, and Chimpanzees and Gorillas evolved from the same animals. It is a mistake to say that we evolved from gorillas or chimps, like many critics of evolution say that is what evolution is. Every animal has evolved the same amount, we have just evolved differently. Thus we aren't more 'highly' evolved that modern apes, we just evolved to fit a different set of circumstances, to fit a different 'niche' in the ecosystem. After many years, natural selection has created the all of the great apes, and humans. We all evolved from one species a long time ago though. |
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