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Predicting the Skin Color of Children
with One Albino Parent
The first modern humans evolved in Southeast Africa with
Black skin to protect them from the Suns UV radiation.
Those first Modern Humans were of the phenotypes that we call today: Negroid, Caucasoid, and Mongoloid.
Over time, their bodies started making mistakes (Mutations) as they replicated themselves with sexual reproduction. The mistakes effecting their skin color, and thus their survivability in the Sun, is collectively called Albinism.
Albinism probably started slowly, just one or two partial mutations at first.
Then it advanced to Oculocutaneous Albinism type II (OCA2)
Until finally, there was FULL Albinism in Modern Humans.
Albinism effects the following Genes:
OCA1A - Oculocutaneous albinism type IA (OCA1A) is caused by homozygous or compound heterozygous mutation in the tyrosinase gene (TYR; 606933) on chromosome 11q14.
OCA1B - Oculocutaneous albinism type IB (OCA1B) is caused by homozygous or compound heterozygous mutation in the tyrosinase gene (TYR; 606933) on chromosome 11q14.
OCA2 - Oculocutaneous albinism type II (OCA2) is caused by mutation in the OCA2 (P) gene (611409).
OCA3 - Oculocutaneous albinism type III (OCA3) is caused by homozygous or compound heterozygous mutation in tyrosinase-related protein-1 (TYRP1; 115501) on chromosome 9p23.
OCA4 - Oculocutaneous albinism type IV (OCA4) is caused by homozygous or compound heterozygous mutation in the MATP gene (SLC45A2; 606202) on chromosome 5p13.
OCA5 - Based on a consensus of the albinism research community (Montoliu et al., 2013), the form of oculocutaneous albinism mapped to chromosome 4q24 is here designated (OCA5).
OCA6 - Oculocutaneous albinism type VI (OCA6) is a type of oculocutaneous albinism (see this term), recently discovered in one Chinese family, characterized by light hair at birth that darkens with age, white skin, transparent irides, photophobia, nystagmus, foveal hypoplasia and reduced visual acuity and that is due to mutations in the SLC24A5 gene (15q21.1).
OCA7 - Based on a consensus of the albinism research community (Montoliu et al., 2013), the form of oculocutaneous albinism caused by mutation in the C10ORF11 gene is here designated (OCA7).
THIS IS WHAT THE SUN DOES TO PEOPLE WITH ALBINISM!
So naturally most people with Albinism will only make babies with
normally pigmented people, so that their children will not be Albinos.
Except for the Black Dravidians in India - some of their Albinos did indeed mate with each other, and in so doing created the White Race of Humans. Because when an Albino mates with another Albino, the resulting offspring can ONLY be another Albino. In order to produce Mulattoes, an Albino must mate with a Black or a Mulatto.
Eventually India's Albinos moved north into Central Asia where they continued to breed with each other. Over time, they had created enough of themselves to qualify as a separate race - the White or Albino race. They all-along mixed with their neighbors, the Black Mongol type people in East Asia. Thereby producing mulattoes among them, until finally, the Mongols too qualified as a separate race.
At about 1,500 B.C. India's Albinos returned to India as Invaders. About 300 years later, they also invaded Black Europe. These invaders were eventually assimilated into Black Europe and harmony was restored. However, at about the turn of the modern era, Central Asia's Albinos were chased out of Asia by the Mongol people. Those Albinos were the ancestors of the modern Albinos that we know today: The Germanics, the Slav's, and the Turk's.
We know for sure that they were India's Albinos because of the description given by the Roman historian Tacitus.
Tacitus: Germany Book 1 
4. For my own part, I agree with those who think that the tribes of Germany are free from all taint of intermarriages with foreign nations, and that they appear as a distinct, unmixed race, like none but themselves. Hence, too, the same physical peculiarities throughout so vast a population. All have fierce blue eyes, red hair, huge frames, fit only for a sudden exertion. They are less able to bear laborious work. Heat and thirst they cannot in the least endure; to cold and hunger their climate and their soil inure them.
Eventually Asia was emptied of all it's Indian Albinos: and in turn, those many millions of Albinos were sufficient to overwhelm Europe's native Blacks, and eventually the Albinos forced out all of Europe's native peoples - the Black people: leaving only mulattoes for the Albinos to mate with. But when mating with a Mulatto, the offspring of the Albino will be closer to Albino, than to fully normal Black. Therefore Albinos mating with Mulattoes can never fully return to Black. Naturally these almost limitless possible combinations of normally pigmented humans, partially pigmented humans, and Albinos, produces a dizzying array of variations in human skin color. Luckily modern science allows us to predict what the skin color of many combinations of Black/Mulatto/Albino will be.
One of the simplest is the prediction table of Charles Benedict Davenport (June 1, 1866 – February 18, 1944).
As we can clearly see from Davenports table, the MAJORITY of Europeans are supposed to be BROWN skinned Mulattoes!
And according to Benjamin Franklin - THEY WERE!
Black = Black
Tawny = a shade of brown tinged with yellow
So what is Swarthy?
Wiki - Swarthy = old High German also had two words for black: swartz for dull black and blach for a luminous black. These are paralleled in Middle English by the terms swart for dull black and blaek for luminous black. Swart still survives as the word swarthy, while blaek became the modern English black.
Webster's - Swarthy = of a dark color, complexion, or cast.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 - Swarthy = dark-hued or dark-complexioned.
SO WHAT HAPPENED?
As Europe was EMPTIED of Blacks after the many Race Wars of the late Medieval period: whether by MURDER, or EXPULSION to the Americas as SLAVES or INDENTURED SERVANTS. The only mating choice for Europe's Mulattoes was with FULL Albinos. The result of that mating pattern was the gradual WHITENING of Europe's populations.
Today humans freely transform between Black and Albino derived White.
This is the Croatian skin color predictor.