All blue-eyed people have one ancestor in common,
born around 6,000 to 10,000 years ago. Blue eyes are caused by a
gene mutation. ... The OCA2 gene determines how much brown pigment is in our eyes. The blue eye mutation is found on an entirely different gene called HERC2. HERC2 turns off OCA2, meaning it turns off the brown gene OCA2, to allow blue only.
Blue eyes are no accident but a specific genetic mutation! Either Cooper has the mutation or he doesn't. No profile with a HERC2 mutation even need be considered. If Cooper does not have the mutation then odds are at least one of his parent is non-European, and probably both.
How did this mutation get its start? Possibly when humans migrated from Africa to Europe. This would explain why only people of European descent have blue eyes. It would also suggest that all blue-eyed people share a single European ancestor.
This basic genetic understanding is so well researched it is used in paternity law today, in Courts. Sheridan Peterson would definitely have the blue eye HERC2 mutation and his parents would be European. Based on eye color alone and genetic science, Mr. Peterson could not be the person reported to have been DB Cooper. I have tried to tell EU this twice and he has rejected it wholesale. I suggest he consult his genetic expert.
The only way out of this dead-end for Mr EU is to reject any and all genetic profiles the FBI may have for DB Cooper except those that indicate a HERC2 mutation. The contributor of that profile would obviously be a blue eyed person. In that case the FBI must also reject all witness testimony regarding Cooper's eye color! Since witnesses do not confirm Cooper was blue eyed, it is highly unlikely Cooper had a HERC2 mutation or was purely European in origin irrespective of his lack on any detectable accent. It's EU against the evidence.
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