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.
1 of 11. (iStockPhoto). Four of the worldâs youngest billionaires are connected to Facebook; two are the sons of the late Lebanese Prime Minister Rafic Hariri; one is a woman. Hereâs how the 10 youngest billionaires, as ranked by the indexing website PeekYou.com, made their fortunes.