There is a separate gene for each part of the blood type we are discussing here. The ABO gene is in charge of the A and O (and B and AB) parts of blood type and the RHD gene is responsible for the positive and negative parts.
Newark element14. Newark element14, sometimes called Newark Electronics, Newark Corporation or Newark, is a Chicago-based electronic components distribution company serving North America and parts of Central and South America.
Why is Newark Liberty Int'l Airport called EWR? I know that beginning an ICAO code for a civil airport with N is discouraged, and NEW is taken by New Orleans Lakefront... but I can't figure out how Newark ended up with EWR. Doesn't seem to be related to any important people in the airport's past.