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After analyzing the genomes of members of three Chinese families with CGHT and one person with CGHT and gingival hyperplasia, researchers pinpointed the genetic defects to chromosome 17. In the three families, members had DNA deletions on this chromosome, meaning they were missing pieces in their genes. On the other hand, the individual with enlarged gums had extra pieces of DNA, called DNA duplications, a type of mutation in which sequences of DNA appear multiple times. These genetic abnormalities affected four to eight genes on chromosome 17.
Originally posted by romanmel
reply to post by SLAYER69
All these catagories of "man" you note (with the exception of the proven frauds such as Peking man) have no LINK to modern man. That various forms of life have arose in the ancient past is clear. However the linkage is just not there to show any relationship to modern man.
Well, while I realize your original premise, has nothing to do with eugenics I bet many do.
You did well remaining neutral to an extent.
Originally posted by romanmel
reply to post by SLAYER69
All these catagories of "man" you note (with the exception of the proven frauds such as Peking man) have no LINK to modern man. That various forms of life have arose in the ancient past is clear. However the linkage is just not there to show any relationship to modern man.
For a full 30 years, Dubois did not announce to the scientific community that he had also found two human skulls in the same general location and level in a gravel deposit. These were the so-called Wadjak skulls. Many have said that this was because he knew it would detract from the readiness with which his ‘Java man’ find would be accepted as man’s ancestor. However, from his own writings and other sources, Dubois apparently had a suspicious nature, and even locked his ‘Java man’ find away for years, even though many were convinced it was the ‘missing link’.
‘Java man’ has been renamed so as to now belong to the category of Homo erectus. However, readers should be aware that though there are indeed reasonable specimens which have been named Homo erectus (of disputed status in this whole question, but that’s another matter) there is no reason to believe that ‘Java man’ necessarily even belonged to this category, nor had any objective existence at all.
The skullcap may have belonged to a large extinct ape, and the leg bone to an ordinary human. Unfortunately, the occasional reference text still features ‘Java man’ as somehow evidence of an evolutionary origin of man.
Originally posted by jam321
Excellent job my friend.
I was helping my daughter with some homework last week and had ran across this site.
Human Evolution
First I think we need to do away with once and for all the notion that Neanderthal was simply an apish brute.
Hard to do when it is instilled in one from a young age.edit on 25-2-2011 by jam321 because: (no reason given)
Mitochondrial Eve is generally estimated to have lived around 200,000 years ago, most likely in East Africa, when Homo sapiens sapiens were developing as a population distinct from other human sub-species. Mitochondrial Eve lived much earlier than the out of Africa migration that is thought to have occurred between 95,000 to 45,000 BP.
Y-chromosomal Adam probably lived between 60,000 and 90,000 years ago, judging from molecular clock and genetic marker studies. While their descendants certainly became close intimates, Y-chromosomal Adam and Mitochondrial Eve are separated by tens of thousands of years.
Originally posted by SLAYER69
reply to post by Kailassa
I tossed the "Adam and Eve" husband and wife thing to stir the pot a bit.
It was not meant in the literal sense