1 If you have type B antigens on the surface of your red blood cells, you also have anti-A antibodies in your plasma. 2  If you have type A and type B antigens on the surface of your red blood cells, you do not have antibodies to A or B antigens in your plasma.
As of 2016, there are 540 billionaires in the US (out of 1,810 in the world). Here are the top 50, according to Business Insider: Bill Gates.
It was a record year for the richest people on earth, as the number of billionaires jumped 13% to 2,043 from 1,810 last year, the first time ever that Forbes has pinned down more than 2,000 ten-figure-fortunes.