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Kibble for Thought: Dog diversity prompts new evolution theory
Science News ^ | 18 December 2004 | Christen Brownlee

Posted on 12/21/2004 8:45:42 AM PST by PatrickHenry

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To: fishtank
Now now... cats DO serve a purpose! Without cats, I'd have to drive all the way to the range to sight in my deer rifles every season. (ducking for cover in preparation for the onslaught after that comment...)
21 posted on 12/21/2004 9:02:29 AM PST by Jokelahoma (Animal testing is a bad idea. They get all nervous and give wrong answers.)
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To: Red Badger
Monkeys and humans cannot mate and produce viable offspring that can reproduce themselves

Have you seen Helen Thomas?

22 posted on 12/21/2004 9:02:33 AM PST by jscd3
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To: r9etb
Long-term management of livestock breeding is only evidence against speciation and the conventional theory of evolution and the origin of species... (dogs, from the ridiculous Papillion to the Irish Wolfhound, are certainly a kind of livestock.)

The farm is an adequate laboratory as any--at least you don't have some Piled High and Deeper grubbing for a grant...

I find the stories of the breeding of domestic sheep and goats to be far more compelling an argument against speiciation than even the breed-variety in dogs, because this breeding has been going on for far longer (thousands of years, a generation a year), with far wider geographical isolation, and with more interesting results. Due to an interest in textiles and small-scale farming, I'm familiar with a wide variety of breeds of sheep and goats.

The Merino sheep, bred for wool and only incidentally for meat, has a skin with deep folds--there's a lot more skin on a Merino than on a meat sheep, which makes for many more follicles and much more wool! But the Merino is hard to shear--you risk nicking all that skin. Meat sheep are bred for twinning, with all the complications and benefits that causes the shepherd. Most modern domesticated sheep breeds can no longer shed their wool. If they are not shorn regularly, they will die from the weight and burden of the long wool.

There is a breed of goat, the Nubian, which has large ears to act as a kind of air-conditioner in hot climes (India). It is also the breed with the highest butterfat content in its milk. There is a goat bred for the alpine that has no ears at all!--which means those ears can't freeze off.. The little tempermental Angora goat, looking for all the world like a poodle and very much a diva, has long silky white curls which provide our mohair. <"Mom, what's a 'mo'?)

Goats bred in India, goats bred in the Alps, sheep in Iceland and sheep in the Holy Land. All the same goat--all the same sheep. No new species.

23 posted on 12/21/2004 9:06:43 AM PST by Mamzelle (He's scared of me...! Honest, I won't hurt him!)
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To: aimhigh
Mutation isn't evolution, since no improvements are seen.

The mutated flu viruses would beg to differ.

24 posted on 12/21/2004 9:06:59 AM PST by WildTurkey
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To: PatrickHenry
Just when the Last Thread was hitting around 850...
25 posted on 12/21/2004 9:07:56 AM PST by shuckmaster
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To: orionblamblam
Yes, there are no advantages from one mutation to another...

The only potentially truthful line in the article.

"Many researchers explain dog-breed diversity as the emergence of hidden traits in the genome."

The rest is a waste of time and money. Even as a layperson, I can tell these guys are out of their league.

26 posted on 12/21/2004 9:08:27 AM PST by bondserv (Alignment is critical! † [Check out my profile page])
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To: Red Badger
Monkeys and humans cannot mate and produce viable offspring that can reproduce themselves.....

Right. Somewhere, eons ago, the chain split, monkeys going one way, man going another.

27 posted on 12/21/2004 9:09:16 AM PST by WildTurkey
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To: PatrickHenry
"A thread about both dogs and evolution. If only I could toss in the Civil War, we'd have a real winner here."

Lol...

AND an opus...

28 posted on 12/21/2004 9:09:24 AM PST by F16Fighter
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To: Jokelahoma

Bless you! ;-)


29 posted on 12/21/2004 9:09:56 AM PST by TexasRepublic (Jesus is the reason for the season!)
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To: fishtank

The Age of Savagery ended and the Barbarian Age began when Man domesticated Dog.

The Barbarian Age ended and Civilization began when Cat domesticated Man.


30 posted on 12/21/2004 9:11:59 AM PST by MarxSux
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To: PatrickHenry
Domestic dogs are genetically indistinguishable from wolves.

Also, there is no genetic problem with any dog breed interbreeding with another, aside from problems caused by differences in size.

Bottom line is, there has been no "evolution" of dog breeds.

Existing genetic traits have merely been selected for and amplified by dog breeders.

31 posted on 12/21/2004 9:12:15 AM PST by E. Pluribus Unum (Drug prohibition laws help fund terrorism.)
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To: Red Badger
Monkeys and humans cannot mate and produce viable offspring that can reproduce themselves.....

Is this from personal experience or something you read?

32 posted on 12/21/2004 9:12:27 AM PST by weenie (Islam is as "dangerous in a man as hydrophobia in a dog." -- Churchill)
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To: Red Badger

Actually, no.

A "species" is defined as a a group that can naturally breed and produce viable offspring (that can itself breed).

Mastiffs and Chijuaja(sp?) cannot naturally breed. Ergo, although they had a common ancestor just a few hundred years ago, they no are no longer the same species.

And no, artificial insemination does not count.

If so, lions and tigers would be the same specifies (the resulting offspring is called a Liger, which do exist, albeit they are generally sterile like a mule, which is itself an inter-species cross ).

In fact, HUMANS and CHIMPS can be bred together via artificial insemination. The Chinese did this, impregnating female chimps with human sperm. Fortunately, the resulting creature was destroyed before term (or so the Chinese claim).


33 posted on 12/21/2004 9:12:58 AM PST by MeanWestTexan
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To: Red Badger

So many breeds have been "created" by man for specific traits such as size, coat, skills, etc., I don't think this research means much. Additionally, the cultivation of certain traits also (inadvertently) has led to other problems within breeds, such as susceptibility to certain afflictions, etc.


34 posted on 12/21/2004 9:13:48 AM PST by visualops (It's easier to build a child than repair an adult.)
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To: E. Pluribus Unum
Bottom line is, there has been no "evolution" of dog breeds.

These things take time. We haven't been dealing with dogs for very long. Give it a few thousand more dog generations. Speciation is virtually inevitable.

35 posted on 12/21/2004 9:15:29 AM PST by PatrickHenry (The List-O-Links for evolution threads is at my freeper homepage.)
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To: E. Pluribus Unum
Bottom line is, there has been no "evolution" of dog breeds

That's not entirely correct as evolution is simply the change in the frequency of alleles from one generation to the next. Selective breeding of dogs is a prime example of this. If your talking in terms of speciation then you are correct. No speciation has occurred.

36 posted on 12/21/2004 9:15:57 AM PST by GreenFreeper
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To: bondserv

You remain hilarious. Every time you post on this topic, I get an image of a monkey with its eyes clamped shut and its hands covering its ears, a grimace of extreme frustration on its face...


One more bit of evidence for evolution to add to the mountain. One more bit of serious annoyance to the Poofists. Gotta love it!

>Even as a layperson, I can tell these guys are out of their league.

And you can tell that... how? Because they reached a conclusion you don't like?


37 posted on 12/21/2004 9:17:17 AM PST by orionblamblam
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To: PatrickHenry
This thread needs a naked mole rat!


38 posted on 12/21/2004 9:18:11 AM PST by Conspiracy Guy (Boycott Boycotts Warrior. If you aint buying call me!)
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To: TexasGreg

Ping


39 posted on 12/21/2004 9:19:15 AM PST by GarySpFc (Sneakypete, De Oppresso Liber)
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To: Mamzelle
Fascinating info.

As I've noted several times on threads such as these, the best argument in favor of Intelligent Design (as a general principle) is that we humans have practiced it for thousands of years. Yours are among the best specific examples I've seen.

40 posted on 12/21/2004 9:19:35 AM PST by r9etb
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