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The Question Of Evolution

By Edited Sep 5, 2016 1 1

This article is not a be all and end all to the question of how the human race began.  The science community has addressed most of the questions that continue to linger with some on a difficult subject matter of filling in the gaps.  It is almost as if asking the question if there is a God, prove it.

Hominina
According to the timeline of human evolution man evolved from the sub-family Homininae through what has become known as the modern human era, resulting in three basic races, Caucasoid, Mongoloid, and the Negroid.  The scientific community rarely used these terms they instead use the terms Caucasian, Mongolian, and African.
It is overwhelming to consider how the human race has evolved since the Lower Paleolithic era, and there continues to remain many unanswered questions. 

There are many who remain biased about their race, and if scientist can fill the missing link, it will help the healing process.  It goes without saying; changing a person's position regarding their origin of race is a hard sell, especially if that person is of the belief that their race is superior.  There are experts who still cannot totally agree on the explanation of how the three main races of humanity evolved into what we are today, irrespective of the many charts, i.e. the random drift, evolutionary tree, most recent common ancestor (MRCA), etc, there remains one missing piece.  Paleontologists have proven by DNA, and other evidence such as carbon dating, that they have uncovered skulls and other remains clearly showing the existence of man first discovered in the Northern part of Tanzania in East Africa.  I use the generic term ‘man’ to indicate both male and female.

In terms of climate, the geographical zones of the world it is broad, and perhaps the environment of Tanzania is such that it preserved the fossilization remains that existed

Red deer people(132146)
millions of years ago, as opposed to other parts of the world that will not yield the fossilization we are seeking.  With that, is it possible to discover fossilization remains that have similar environment of that of Tanzania and that the fossilization occurred during the same period?  The ongoing DNA testing of the Red Deer Cave people of China is a good example.  Paleontologists are still searching for fossilization in all parts of the world, but as of today, we only have DNA evidence of ancient remains from Tanzania.

Is it possible that something happened that genetically altered the genes of an African that caused an offspring to be a Caucasian, or a Mongolian?  Is it conceivable that the DNA in an African or that of a Mongolian can evolve into a Caucasian over the course of perhaps 15 million years?  Even if millions of generations had passed, how is that possible if inbreeding were the norm?  Perhaps random drift comes into play here.  Inbreeding upon inbreeding,

random drift
it would still allow some evidence of DNA to support that a Caucasian would have African DNA.  In other words, if an African bred to another African, and by some chance produced an albino African, and eventually the albino African bred to another African they would produce an African that had some albino characteristics.  Here, the continuing pattern would have to be a perfect match to produce a complete Caucasian, and now the Caucasian would have to have bred to another complete Caucasian to produce the Caucasian, and so on.  The odds are overwhelming that this could happen over the course of millions upon millions of generations.  This is the enigma.

I have no reservation that we evolved from the ape family; scientific research and findings support that we did.  If humans evolved from the ape family, and consequently evolved into the three basic races, then why has not the ape family evolved in a similar fashion?  If there is a plausible explanation to this question, I have not been able to find it.

Researchers have determined and established answers to the question of biological race or subspecies.  That is fine, but going back to the beginning where it all began, and filling in the gap of how the crossover began, this is the burning question.  Science has established an answer to the question of how many races or subspecies exist among humans.  Again, that is fine, but this does not clarify the question of how did this happen?

The following excerpt is from Wikipedia.
Because ancestors of the MRCA are by definition also common ancestors, we can find (less recent) common ancestors by pushing further back in time to ancient common ancestors of all people alive.  Eventually, we reach a point in the past where all humans can be divided into two groups: those who left no descendants today and those who are common ancestors of all living humans. This point in time is the identical ancestors point.  Even though, each living person receives genes (in original or mutated forms) in dramatically different proportions from these ancestors from the identical ancestors point, from this point back, all living people share the same set of ancestors, all the way to the first single-celled organism.

We can discuss recognizable phylogenetic partitioning, genetic markers, structure of genetic cluster, identical ancestors point, and on and on, but it does not answer the basic question how a race of so-called pure Caucasian or pure Mongolian began.

To begin, we address the first bipedal that walked the face of the earth.  This period, known as the family of Hominidae, existed some 15 million years ago.  The first mention of humans comes under the Hominidae; the common names include humans, chimpanzees, bonobos, gorillas, and orangutans, which are of the Great Apes.  What follows is the sub-family
Homo
Homininae, existing some eight million years ago, and again we find under the heading of the common name, human, chimpanzees, bonobos, and gorillas. Following this, we have the tribe Hominini; existing 5.8 million years ago, from this period going forward, humans are a part of the common name given.  As a sub-tribe Hominina, members of the genus Homo occurred about three million years ago.  Now we get into the genus of humans, a common name of Neanderthals, humans, Homo erectus, and their direct ancestors, occurring around 2.5 million years ago.  Then we arrive at the species of humans, Homo sapiens, occurring about .5 million years ago.  Finally, we arrive at the sub-species of Homo sapiens with the common name of modern humans, occurring .2 million years ago.  Irrespective of that, the modern
Homo heidelbergen
humans to be fully neurologically developed beings, which occurred between .2-.07 million years ago, we still have the question of how did the genes mutate (only possible explanation?) and why did the genes mutate with the Caucasian, Mongolian, and African.  More importantly, when did this occur?

Last but not least, if genes somehow were altered with the Great Apes and, as a result, we are whom we are today, is it possible for the genes to be altered again, perhaps reversing Mongolians, Africans and Caucasians back to being Great Apes?

 

© 2013 James Ian MacIntosh all rights reserved

 

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Comments

May 22, 2013 5:30pm
MrRooibos
Interesting article, well done handling evolution
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