Find Manns Choice Pennsylvania treasurer, tax collector, tax assessor, and property assessor. Treasurers and tax collectors provide information on property searches, tax bills, property liens, tax assessed values, and deductions. Manns Choice Treasurer & Tax Collector.
Blood type AB means you have both A and B antigens. A antigen is a sugar called N-acetyl galactosamine, added to fucose present on a red cell membrane glycoprotein. B antigen â¦ is a sugar called D-galactosamine, also added to fucose.
â¡ AB- (AB negative) is the most uncommon or the rarest blood type in the world. It is found in less than 1% of the world's population. To be precise, people having this blood group comprise 0.45% of the world population, i.e., 1 in 175-200 people.