Re: If we came from monkeys, why don't we have tails?
Yes. We lost tails as they became a disadvantage, and ones with tails are more likely to be eaten. Therefore, the long term genetic shift is for people to lose their tails.
Because a dog's tail is docked no matter how long it is, there is no selection for genes encoding longer or shorter tails, so there is no real trend in tail length changes, as any changes do not matter.
If permanent mutilation with very few benefits for non-working dogs is not cruelty, you need to reexamine your definitions of cruelty. Originally, tails were docked for reasons. Hunting logs with long tails are more likely to damage them running through thick undergrowth, so it is beneficial. However, pets rarely do such things, so docking is unnecessary.
Just not as well as they would otherwise. It isn't a huge loss, but it is there.
What? Of course I know that dogs breed quicker than humans. However, we haven't been really making breeds for a long time. Dobermanns were first really developed a little over a hundred years ago. Not really time to force as major changes as losing tail (which hasn't been selected for, as I explained above).
I am still a student, as I have repeatedly said, but you cannot create a distinct breed in 7 generations. To create a breed, all you need is a male and a female with the desired traits, and then simply selectively breed from there for the desired traits. So technically, you are right. However, it will take a lot more than 7 generations to get something really distinct from what is already around.
Vets don't need to know a lot about breeds. The names and standard features are about all you need to know, because none of the rest matters on how to treat them. That would be more of a matter of biochemistry, physiology, pathology etc.
Originally posted by BelieverInGod
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Because a dog's tail is docked no matter how long it is, there is no selection for genes encoding longer or shorter tails, so there is no real trend in tail length changes, as any changes do not matter.
Huh, my dogs do just fine. There's a reason behind docking, just because you liebrals think it's mean, doesn't make it so. Just like milking a cow isn't rape.
Tell these dogs that they can't balance well or run properly.
A dogs "generation" is about 2 years. A humans is 20 (give or take). So 2,000+ years of dog breeding would equal 20,000 year of humans. Since the world is only 6,000 years old, your story doesn't make sense.
Anyway, we can create a new breed that breeds true within 7 generations, so are you really sure you're a vet?
Maybe you should consider transferring to Accounting, because you're not going to make a good vet. Not if some farm girl knows more than you do about animals.
You can make up all the stuff you want, God still hates you.
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