Genetic Variance in United States regional Caucasian populations?
438716
I'd say no. Location has nothing to do w/ genes UNLESS you isolate the people in each city so the people inside them cannot reproduce with other people from different cities. Over time you MIGHT be able to see little distinctions because the dominant traits will have been passed around to everyone and then they will express it.
782924
genetic predisposition
84807
Take a look at the Innuit (eskimos). Their skin is dark. People of Siberia have darker skin than Europeans. I think its more a matter of genetics than the amount of melanin.
645978
That guy must be retarded. Of course Greeks are white. Caucasian peoples are technically those who originate in a region near the Caucus mountains in Russia, but that's just a technical definition.  Actually all Caucasians belong to the larger Indo-European family, which includes Indians and Persians (Iranians). Hicks and racists incorrectly believe that "whites" must look lilly white in order to classify as white, but that's not the case. Indo-European ("Aryan") people spread throughout many parts of Asia and Europe some ten thousand years ago. The skin color is caused by the pigment melanin. In latitudes where sunlight is less intense (such as Northern Europe) the skin is paler and contains less melanin in order to absorb more ultraviolet radiation (which helps the body create its own vitamin D). People in more southern latitudes became darker from greater melanin in the skin to protect against the harmful side-effects of UV radiation (think of it as a trade-off between the advantages of light skin- making more vitamin D- and the disadvantages- such as skin cancer from UV).  Skin color does not necessarily correlate to the definition of "white" or Caucasian.
248792
H = straight thumb\nh = hitchhiker's thumb\n\nThe main population started with an genotype frequency of hh=0.35 (35% of population showed recessive trait).  Therefore, the allele frequencies are h=0.59 (square root of 0.35) and H=0.41 (the total of all alleles in a population is 1 or 100%).\n\nAfter the people leave to go fishing, hh=0.33 (30 out of 90 people will express the recessive genotype) in the original population.  Therefore h=0.58 and H=0.42\n\nIn the island population, 50% express the recessive genotype, so hh=0.50 making h=0.71 and H=0.29\n\nPart of the original population "migrated" to a different location, causing the allele frequency of the original population to change (evolve).  I predict the evolutionary force is geographic isolation.
38864
You can find that sort of information on a government demographics webpage.  Just google it.
477944
Yo... Right on man! Absolutely spot on. In the land of the free, where everyone is equal they need terms like that.\nI learnt the term 'male Caucasian' from watching American TV. Can't they say 'white man?'
568495
http://www.genetic.org/ks/scvs/tju_stdy2.htm
52176
Genetic predisposition.
198564
The odds are pretty astronomical, but it can happen.  I once saw a documentary about a black couple that had TWO white babies.  They researched it and found that far back into their family trees they had white ancestory.
667403
Go to this website, you will find all the answers you need:\n\nhttp://plato.stanford.edu/entries/genotype-phenotype/
513165
Oh, PANCHA, how you love to tread in controversial waters...\n\nThere are quite a few classifications of the human race but, as a few have already pointed out, the four 'core' groups are Caucasoid, Mongoloid, Negroid, and Australoid.\n\nGiven that, I imagine Hispanics would be considered, primarily, Caucasian.  Racial sub-classifications exist, but tend to be used to define a type of people who have, on a genetic level, undergone some 'restructuring' as a result of 'extended' procreation of one race with another.\n\nAs a side note, these sub-classifications should not be confused with the 'hybridization' the we see so much of now, particularly in North America.  This 'hybridization' does not add to 'biological' racial diversity, as it is nothing more than sudden 'admixing' of heteroracial genetic material, as opposed to the creation of new genetic attributes brought on through the process of evolution.  In this, 'hybrid' combinations of raciogenetic traits diminish 'biological' racial diversity to the extent that they flaw the genetic combinations, created and strengthened by evolution, of the core racial stocks.
602863
Scientifically, yes.  Negroid, Caucausion, and Asian are the three categories identified by Anthropologists.  Also note "Human populations do vary biologically in many ways, but it is important to realize that few of these ways are correlated with each other."  The three categories were established at the beginning of Anthropology (it's only abou 150 years old as a science)...Presently, many anthropologists point out that the differences between black/caucasian/asian's exist, but when put on a spectrum, you couldn't tell the difference from one to the next because the changes are so slight.  Egypt is a good example, in the south, they're darker, in the north, they're lighter skinned.  What are they?  They exhibit many bone structures of both caucasians and negroid.  They live on the continent of Africa... hhmmm?  \n\nso, first I had to debunk the whole caucasian thing to begin with...it exists only as a marker for science, not in reality...\n\nbut...by using that marker, most people from the country of Mexico exhibit caucasian traits in their skeletal structure.  I didn't know this until my best friends mom told me they were caucasian.  I said "what?  I don't follow"...and she said Latinos are considered cacasoid.  Hard Liberal Arts and Science Educated Latinos will know as much (i.e, if you majored in music in college, you probably didn't get this lecture).  \n\nPolitically:\nPeople of Mexican descent are considered "caucasian of hispanic descent" (go look at any government form).  Hispanic is a term derived by politicians in the late 1940's early 1950's to describe people the spoke Spanish as having descended from Spain; however, the politically correct word for people from this area of the world is Latino --- being of/from Latin America.  \n\nby the way...most mexicans have both indegenous blood and European blood...a mix...Look at people from Spain...they're not all dark, most of them are very "white".\n\nHope this helped some!\n\nGrab a cultural anthro book on race, you'll find plenty more.
789120
First of all, all people are mixed. \nOf all the Races on the earth the caucasian is the most mixed.\nOn top of this, american whites are even more mixed than european whites. In Europe, you can still tell where most people came from within a range of 100 miles. \nAmerican whites are mutts. They are english, scott, scotts-irish,\nirish, welsh, french, spanish, dutch, scandinavian along with every other race.\n\nOf all Races, blacks and then asians are the most pure.\nThey have mixed and diverged the least.\nWhites are found from pale to dark brown.
506092
It could be argued that some family trees in the deep dark south don't have branches, but are straight lines. Inbreeding happens, no matter what color you are.
359265
No, we make presumptions given known mutation rates.  For mammals it's about 1 error in 10^9 bp.  So each time a cell replicates on average there will be 3 errors.  Also population geneticists, who study variation of DNA in populations, have established a set of makers in several mammallian species including humans and mice that look at variation at specific loci which tend to be heterozygous.  These loci are called microsattellite, or minisatellites.  There are other things population geneticists use but mostly they look at specific DNA loci via PCR and gel separation techniques.  Hope this helps
278929
Actually the meaning of the word Caucasian is pertaining to the Caucusus Region of central Eurasia. Including people of European, Russian, Georgian, French and Spanish descent (to name a few.) Caucasian means different in Europe than in the USA, so you may want to do research as to what "culture" you want info on. Here's some helpful links.\nGood luck as it is extremely hard to find "caucasian" and "culture" in context together.