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Question:If their DNA has changed and their not the same, then why do they believe natives came from asians, why not their own group or another like pre arabs?


Best Answer - Chosen by Asker: If their DNA has changed and their not the same, then why do they believe natives came from asians, why not their own group or another like pre arabs?

No they don't have any proof. All they have is a theory and one that is so full of holes it looks like Swiss cheese.

We were created here on this continent and have always been here and will always be here. Our histories go back over 30,000 years on THIS continent, long before any land or ice bridge MAY have existed. It's funny but no one has ever asked us where we came from....hmmmmm

Go far enough back and we all probably have DNA markers in common. They just don't have enough of a basis to say for sure that the indigenous peoples of this continent descended from wandering Asians....That's why it's called a theory....

DNA, and migration histories associated with the Bering strait Ice Bridge.

There are actually a number of ways. Much has to do with the TIME this migration occurred. There is archeological evidence that supports this. Some of it is put the pieces together....for instance, archeological evidence of northwestern (aleutian and what is now Alaska and North West Canada) finds match what has been discovered in Asiatic regions. Then as migration moved South, they find archeological evidence that ties the find to the Northwest find, then further south, evidence that ties the find to the first souther find.

A-->B-->C-->D so D must have originated at A.

There is DNA backing for this as well. And this is a little more solid than most because of the "isolation" of the subgroups. Because of geography, the stark mountains and distance kept eastern asia isolated from the rest of the world for a long period of time, and because of the isolation (oceans) of "America" from the west of the world, you have a relative homogenous group, with limited cross-migration (and cross-breeding) opportunties. So you don't have the same dilution of certain DNA markers you are faced if you are talking about Mid-East and European populations. In fact, because of the "forced" inbreeding of a population in the Americas, and while "inbreeding" is not the proper term for Asia as there were many different "cultures" in Asia, certain mutations that became dominant, persisted and in substantially larger percentages of the population than found anywhere else in the world.

So it is a combination of "just makes sense", archeological evidence and because of the population isolation of both groups over centuries, rather unique DNA features that don't happen is such significant percentages anywhere else in the world other than historically isolated population groups.

http://lists.rootsweb.com/index/other/DN...
here is a mail list that might have more in depth knowledge than many of us here. I notice you have asked about this topic several times.
So much about DNA is still in the learning curve, I think.
I have to laugh.. while browsing to find something for you, I noticed numerous mail lists for surname specific DNA discussions. I was surprised at how many of 'my' surnames were out there. It is always fun when I am digging up something for a poster here, but I wind up benefitting from something I had not realized before.

Cause evidence of Native Americans in the Americas is only recent (12000 years ago). It was an ice age and world sea levels were lower than they are today.There was a land bridge connecting Asia to North America.People crossed this land bridge from Asia to North America and went on to populate both American Continents.

How do I know this you ask.
Its because its the only logical way for Modern Humans to get from anywhere into the Americas.
Also Native Americans resemble Asians.
And last but not least, its because the science dudes tell us its so.

The most recent program I saw on this very subject (was either on the History channel or Discovery channel) stated that through DNA markers, that researchers have determined that Native Americans did not come from JUST Asia, but also the South Pacific, Europe, and Africa. In otherwords, America has ALWAYS been what it is today -- a melting pot.

Native American Indians from both continents came to those continents by several means. One was boat-faring groups who traveled along the coastline settling from Asia through Alaska and southward through the continents. Another group most likely traveled by land across the Bering Strait which was a frozen surface area able to be traversed during the period when other groups undoubtedly helped to populate the continents. Another group may have populated the continent of South America by travel through the Pacific from Southeast Asia during the Aborigines migration period.
Your question is complex and may not be answered completely here. A book which may provide some thought into what life may have been like during that time is called "Circles of Stone", by Joan Dahr Lambert. It is an excellent read, and the third section of the book is the one you may be most interested in (you need to read the first two sections to get a full understanding of Ms. Lambert's storyline into the third section).