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Author Topic:   Can Chromosome Counts Change?
NosyNed
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Posts: 9004
From: Canada
Joined: 04-04-2003


Message 24 of 70 (74964)
12-24-2003 1:23 AM
Reply to: Message 23 by some_guy
12-23-2003 11:02 PM


Speciation
But does this "new genetic information" result in speciation?
Are you moving the goalposts?
someguy writes:
But there is one crucial aspect of that change that creationists believe that evolutionist's don't. The amount of chromosomes cannot increase. As in genetic information is never added, which must be true for evolution to work. Therefore with the "created kind" thinking, the very first horse kind would have had the most chromosomes. And all the variations of that kind would have the same or less chromosomes.
yes id like an evolutionist to prove to me that "new" genetic information can be added.
You have been shown that chromosomes can increase. The chromosomes increasing is a falisfication of your "crucial aspect". Therefore kinds, as you were defining them are wrong. Care to try again?
Not even a new sub species (such as the zebra is to the horse)
A zebra is not a subspecies of a horse. They are all of the same genus (Equus) but all are separate species.
It is not possible, There are clear and obvious breeding barriers between at least the taxonomic level of "class", but if a clear definition and test for "kind" could be developed these breeding barriers would be defined specifically by "kind".
Of course there are barriers between classes. But they are only the same barriers that are between species. There are, after all, nothing but species. We then group them into higher things called classes and other groupings. Since the species and genus "barrier" is crossable and there aren't anything different for any taxa above species there aren't any other barriers.
As of right now I have no test to prove that. But what kind of test do evolutionist propose to determine a common ancestor? Because "created kind" is somewhat similar to "common ancestor" (in that all creatures with a certain kind have all descended from a certain common first created kind) it may require a similar test.
The common ancestors are observable in the fossil record. Where are the fossils of your "created kinds"?
Evolution cannot happen by chromosome duplication. Did you read my quote and link in my last post?
Correct me if I'm wrong but that post seems to be very muddled. Chromosome doubling has produced new species. Changing the argument to worrying about information doesn't stop them from being new species. Saying that they are in some way weak may be true some of the time but it is not all the time. In any case the claims were, no chromosome increase, no new species, no new traits. They weren't discussing strengths and weaknesses. Once you've admitted to all the past errors then we can move on to this new position that you might be trying to adopt.
The chromosome doubled species are not identical to the parent species therefore they have "new traits".
Now, if you will admit that much of what you've posted and sited has been wrong we can move on to the arguement about new "information" (I will take it that this means different, novel genetic sequences in the DNA).
Once we find a case for novel sequences your last argument is gone isn't it?

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 42 of 70 (77246)
01-08-2004 9:53 PM
Reply to: Message 37 by blitz77
01-08-2004 7:47 AM


Twice as much
like 2 copies of a book instead of one
No, not like two copies of a book. A bit more like to coffee machines. You get twice as much of something. I'd have to do some digging to find a reference but there are cases where a duplicated gene makes a difference in the phenotype.
Of course, there are also places where duplication then allows a place for mutations to accumulate. Do you agree there is new information at that point?

Common sense isn't

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 Message 37 by blitz77, posted 01-08-2004 7:47 AM blitz77 has replied

Replies to this message:
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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 45 of 70 (77263)
01-09-2004 12:32 AM
Reply to: Message 44 by blitz77
01-08-2004 11:34 PM


Novel
Where you and I may disagree is whether novel protein families could arise by mutations.
Why not? If the coding gene changes wouldn't a new protein result. What is a protein family?

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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 52 of 70 (77417)
01-09-2004 6:07 PM
Reply to: Message 49 by blitz77
01-09-2004 5:33 PM


Goalposts galloping
But... but... that begs the question-how did the first hox gene arrive?
So what? Why is that relevant to the issue that you first raised? The fact is that duplication and mutation produces new "information" and new phenotypes. That was the issue. Leave the goalposts alone until the game is over. Same goes for your other line on the retroviral protein doesn't it?
You other description of "protein families" makes it sound like you have made up the idea. Do you have a source discussing them? One that supplies a useful, operational definition so we can tell where one starts and the other leaves off.

Common sense isn't

This message is a reply to:
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NosyNed
Member
Posts: 9004
From: Canada
Joined: 04-04-2003


Message 67 of 70 (77688)
01-10-2004 11:02 PM
Reply to: Message 65 by blitz77
01-10-2004 9:53 PM


Kinds? Naaaah
Could you elaborate a bit? Are horse, donkeys and zebras one kind as far as you are concerned?
Are birds and reptiles? Reptiles and mammals?

Common sense isn't
[This message has been edited by NosyNed, 01-10-2004]

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