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Defining mutations. V68, L539, PF2203 [4] Haplogroup E-V68, also known as E1b1b1a, is a major human Y-chromosome DNA haplogroup found in North Africa, the Horn of Africa, Western Asia and Europe. It is a subclade of the larger and older haplogroup, known as E1b1b or E-M215 (also roughly equivalent to E-M35). The E1b1b1a lineage is identified by ...
The 'Silver Lions" of 1st Battalion, 68th Armor Regiment, were the only armor battalion located on Fort Carson, with 48 M1A1 Abrams Main Battle Tanks, 32 Armored Personnel Carriers, Over 50 Tactical Wheeled vehicles, 5 Tracked Maintenance/Recovery vehicles and over 600 personnel. 1–68 Armor had 4 Companies (HHC, A, B, and C), with 14 M1A1 ...
68 is a Perrin number. [1] It has an aliquot sum of 58 within an aliquot sequence of two composite numbers (68, 58, 32, 31, 1,0) to the Prime in the 31-aliquot tree. It is the largest known number to be the sum of two primes in exactly two different ways: 68 = 7 + 61 = 31 + 37. [2] All higher even numbers that have been checked are the sum of ...