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Old 09-15-2018, 07:02 AM
 
3,871 posts, read 1,902,406 times
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All humans belong to the same species. All dogs belong to the same species.

But there are different breeds of dogs. Some have long hair. Some, short. Some are good hunters, good at catching vermin, good guard dogs, or shepherd dogs. Different breeds of dogs are good at different things. They have been bred this way. Their color or coat length doesn't tell the whole story of their differences.

Same with humans. Skin color is not the only difference between races. Races have evolved differently over time in response to their different environments. Eskimos have some extra fat not found in other races. Etc.

What Man has done with dogs by breeding, nature has done with humans by evolution. IQ varies among races. It is one of the differences that evolution and separation have determined. Other traits also differ among races.

Humans would be the only species on earth if external appearance were the only variation among their branches.
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Old 09-15-2018, 01:08 PM
 
588 posts, read 459,783 times
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Quote:
Originally Posted by Troyfan View Post
All humans belong to the same species. All dogs belong to the same species.

But there are different breeds of dogs. Some have long hair. Some, short. Some are good hunters, good at catching vermin, good guard dogs, or shepherd dogs. Different breeds of dogs are good at different things. They have been bred this way. Their color or coat length doesn't tell the whole story of their differences.

Same with humans. Skin color is not the only difference between races. Races have evolved differently over time in response to their different environments. Eskimos have some extra fat not found in other races. Etc.

What Man has done with dogs by breeding, nature has done with humans by evolution. IQ varies among races. It is one of the differences that evolution and separation have determined. Other traits also differ among races.

Humans would be the only species on earth if external appearance were the only variation among their branches.

This post is so comically unintelligent I wasnt sure at first if it wasn't satirical.

Humans are an unusually genetically homogenous species. Not only are dog breeds not comparable to human "races", there is more genetic diversity within dog breeeds than between human "populations". Much more in fact.
There is more diversity within any single troop of chimpanzees than among all groups of modern humans.


https://ww2.kqed.org/quest/2008/03/1...tic-diversity/


http://www.andamans.org/the-strange-...-human-genome/


*https://bigthink.com/philip-perry/hu...or-our-species

Last edited by TheArchitect; 09-15-2018 at 01:20 PM..
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Old 09-17-2018, 06:37 AM
 
3,871 posts, read 1,902,406 times
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Originally Posted by TheArchitect View Post
This post is so comically unintelligent I wasnt sure at first if it wasn't satirical.

Humans are an unusually genetically homogenous species. Not only are dog breeds not comparable to human "races", there is more genetic diversity within dog breeeds than between human "populations". Much more in fact.
There is more diversity within any single troop of chimpanzees than among all groups of modern humans.


https://ww2.kqed.org/quest/2008/03/1...tic-diversity/


The strange lack of variation in the modern human genome |


*https://bigthink.com/philip-perry/hu...or-our-species
The differences between human races are not limited to external features. Susceptibility to diseases, adaptations to different environments, are examples of genetic expressions that differ from race to race. It stretches credulity to assert these are the only differences.

Humans have created the genetic diversity in dogs. Especially in the 19th Century, developing dog breeds was almost a pastime. But those differences had to exist in order to be developed.

It takes 7 generations to establish a new breed, 80 years or so. That's not enough to produce a very uniform gene pool. Today's dog breed lines are not guarded as jealously as they were 100 years ago, either.

I don't know what andamans.org is or bigthink.com but I doubt they are among the heavy hitters in genetics literature.

I've read about the bottleneck hypothesis. I've also read that humans left Africa long before 73,000 years ago. Maybe 3 times as long ago. Modern humans, that is. Neanderthals, which bred with modern humans, started out from another bottleneck 700,000 years ago.

I've read that human races have 98% of their genes in common. But we also share over 96% of our genes with chimps. So an insignificantly small difference in genetic makeup is enough to establish distinct species.

Even smaller ones are all that is required to create the differences among races that we see today.
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Old 09-18-2018, 09:19 AM
 
Location: Seattle WA, USA
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Well by the scientific definition, the various Human races would be considered as subspecies, but because of all the taboo that surrounds race, the scientific community doesn't classify subspecies in humans, especially since it would only promote further divisions and promote more racism.

"the term subspecies refers to a unity of populations of a species living in a subdivision of the species' global range and varies from other populations of the same species by morphological characteristics."
https://en.wikipedia.org/wiki/Subspecies

"Morphology is a branch of biology dealing with the study of the form and structure of organisms and their specific structural features. This includes aspects of the outward appearance (shape, structure, colour, pattern, size), i.e. external morphology (or eidonomy), as well as the form and structure of the internal parts like bones and organs, i.e. internal morphology (or anatomy)."
https://en.wikipedia.org/wiki/Morphology_(biology)

Now I don't think that the 3-4 generic races would account for all of these "subspecies", for instance there are the African Pygmies, and the Aboriginal Australians as well as the various Uncontacted peoples.

Now I don't believe that any one race/subspecies is superior to another, but there are morphological differences in humane populations around the world, many of which are genetically isolated which would make us belong to various subspecies, some of whom are adapted to have unique skill sets to help them survive in their habitat such as people who live in high elevations particularly in Tibet and the Andes who's people have the ability to breath at low oxygen levels.
https://en.wikipedia.org/wiki/High-a...tion_in_humans

Here are examples of other animals who have subspecies/races.
https://en.wikipedia.org/wiki/Wild_boar#Subspecies
https://en.wikipedia.org/wiki/Brown_..._bear_taxonomy
https://en.wikipedia.org/wiki/Subspecies_of_Canis_lupus
https://en.wikipedia.org/wiki/Lion#Subspecies
https://en.wikipedia.org/wiki/Tiger#Recent_subspecies

And there subspecies among apes too.
https://en.wikipedia.org/wiki/Easter..._and_phylogeny
https://en.wikipedia.org/wiki/Western_gorilla#Taxonomy
https://en.wikipedia.org/wiki/Common...anzee#Taxonomy
https://en.wikipedia.org/wiki/Bornea...gutan#Taxonomy

Last edited by grega94; 09-18-2018 at 09:40 AM..
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