Human Evolution: Tale of the Y

newsweek ^ | 8/8/08 | Sharon Begley

[Soliton]

Nothing against fossils, but when it comes to tracing the story of human evolution they’re taking a back seat lately to everything from DNA to lice, and even the DNA of lice. A few years ago scientists compared the DNA of body lice (which are misnamed: they live in clothing, not the human body) to that of head lice, from which they evolved, and concluded that the younger lineage split off from the older no more than 114,000 years ago, as I described in a cover story last year. Since body lice probably arose when a new habitat did, and since that habitat was clothing, that’s when our ancestors first needed a haberdasher. The Y chromosome has been an even greater source of clues to human evolution, showing among other things that the most recent common ancestor of all men alive today lived 89,000 years ago in Africa, and that the first modern humans walked out of Africa about 66,000 years ago and became the ancestors of everyone outside that natal continent.

[Recovering_Democrat]

Fossils are remnants of traits expressed by genes. We can now look directly at the genetics behind those traits. The fossil record isn't necessary anymore but it is still very interesting and very useful...

Like I said, 10 decades of devotion to a notion that failed, so it is abandoned.

But wait until the next "fossil proof" is discovered, and it will be all the rage. :) Cracks me up.

[Soliton]

An extremely frightening statement, from a scientific perspective. We can ignore the only evidence we have of extinct life forms for billions of years, because our theory is perfect and must remain unchallenged.

I didn't even imply any of that

[Theo]

All life on earth has a common ancestor

Said with such confidence.

Why only one ancestor? Why couldn't life have come about from non-life more than once? Because that's just too hard to believe? Don't have sufficient faith for that?

[Recovering_Democrat]

That's very similar to the Global Warming cultists, who say "the case in closed" because their computer models say so.

yes.

[Soliton]

The physical evidence for a Creator creating according to the Scriptural account is not lacking.

Please provide some. No one else will

[Soliton]

Why only one ancestor? Why couldn't life have come about from non-life more than once? Because that's just too hard to believe? Don't have sufficient faith for that?

It may have, but the DNA protocol suggests that existing life has a common evolutionary beginning.

[Soliton]

Like I said, 10 decades of devotion to a notion that failed, so it is abandoned.

The fossil record agrees very closly with the theory of evolution. Genetics however is the new frontier. Science progresses this way.

[Soliton]

Notice that the article merely "catalogues" differences, it does not prove anything about the process which led to those differences.

The article explains the types of genetic changes too. We know how those changes occur. Theoretically we could backtrack reversing those changes and recreate our common ancestor with chimpanzees. They will some day.

[Thommas]

Your knowledge on evolutionary models is certainly profound. One could say that such steadfast, unwavering logic needs no further advancement nor refinement; it is in a word, perfect. I applaud you on your capacity to avoid smugness.

[Soliton]

I applaud you on your capacity to avoid smugness.

It's a God given talent

[Thommas]

Hehe, congratulations.

[js1138]

Don’t you love all the hits and whispers that evolution is dead? Where were all these experts when they were needed at Dover?

[SunkenCiv]

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[Soliton]

Don’t you love all the hits and whispers that evolution is dead? Where were all these experts when they were needed at Dover?

They are only parroting creationist talking points. It's the same old 4 or 5 things that get answered over and over again and then they bring them up again.

[Coyoteman]

Don’t you love all the hits and whispers that evolution is dead? Where were all these experts when they were needed at Dover?

At Dover they had to testify under oath.

[js1138]

Ah yes, when it comes to testifying under oath, the cdesign proponentsists can all be found hiding under the nearest rock.

Dembsky was paid $20,000 to testify at Dover, but didn’t show. He kept the money.

[wendy1946]

>At Dover they had to testify under oath.

At Dover the judge was in the bag for the evolosers...

[Theo]

... the DNA protocol suggests that existing life has a common evolutionary beginning.

Again, why? Because it's such a miraculously impossibility that it can even come about by random chance? Once is incredible enough; twice would be beyond reason to accept?

[Theo]

Let me ask you a question, Soliton: Must you see something in order to believe its reality? Must something be measured and tested by scientific method before you’ll trust in its veracity?

[js1138]

Must you see something in order to believe its reality? Must something be measured and tested by scientific method before you’ll trust in its veracity?

How would you apply this question to the Greek gods, or the Hindu, or to Islam, or to scientology?