Selective Dog Breeding

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In our last lecture we as a class discussed the disadvantages of selective breeding when it came to our animals, specifically dogs. We went over how dogs look now compared to 70 or 80 years ago thanks to the dangers of breeding. One thing that was said was that mutts are the most healthy when it came to different breeds. The article I chose discusses how selective dog breeding can affect the brain by saying dog’s noses will rotate a certain amount of degrees thus changing the brain region controlling their skull and brain to be relocated. Why does selective breeding affect their breathing? How does the size and shape of a dog’s skull and brain change? Selective breathing causes a dog’s snort snout to be rotated making it harder for the dog

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