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  2. MNS antigen system - Wikipedia

    en.wikipedia.org/wiki/MNS_antigen_system

    The S antigen is relatively common (~55% of the population) and the s antigen is very common (~89% of the population). Anti-S and anti-s can cause hemolytic transfusion reactions and hemolytic disease of the newborn.The U antigen is a high incidence antigen, occurring in more than 99.9% of the population. The U was originally short for ...

  3. Diego antigen system - Wikipedia

    en.wikipedia.org/wiki/Diego_antigen_system

    The Wright a antigen (Wr a), a very low frequency blood type, was also discovered in 1953. The Wright b antigen (Wr b), a very high frequency blood type, was discovered about a decade later, but the two types were not recognized as a pair for another 20 years. The Wright group was eventually identified as a single point mutation on the SLC4A1 gene.

  4. Ii antigen system - Wikipedia

    en.wikipedia.org/wiki/Ii_antigen_system

    The Ii antigen system is a human blood group system based upon a gene on chromosome 6 and consisting of the I antigen and the i antigen. [1] The I antigen is normally present on the cell membrane of red blood cells in all adults, while the i antigen is present in fetuses and newborns. [2]

  5. Rapid antigen test - Wikipedia

    en.wikipedia.org/wiki/Rapid_antigen_test

    A COVID-19 Rapid Antigen test(top) with a Covid-19 Rapid Antigen and a Influenza A&B Rapid Antigen Test(bottom) A rapid antigen test (RAT), sometimes called a rapid antigen detection test (RADT), antigen rapid test (ART), or loosely just a rapid test, is a rapid diagnostic test suitable for point-of-care testing that directly detects the presence or absence of an antigen.

  6. Lateral flow test - Wikipedia

    en.wikipedia.org/wiki/Lateral_flow_test

    These tests are simple and economical and generally show results in around five to thirty minutes. [2] Many lab-based applications increase the sensitivity of simple LFTs by employing additional dedicated equipment. [3] Because the target substance is often a biological antigen, many lateral flow tests are rapid antigen tests (RAT or ART).

  7. Blood type (non-human) - Wikipedia

    en.wikipedia.org/wiki/Blood_type_(non-human)

    Two complex chimpanzee blood group systems, V-A-B-D and R-C-E-F systems, proved to be counterparts of the human MNS and Rh blood group systems, respectively. Two blood group systems have been defined in Old World monkeys: the Drh system of macaques and the Bp system of baboons, both linked by at least one species shared by either of the blood group systems.

  8. NYT ‘Connections’ Hints and Answers Today, Saturday, December 14

    www.aol.com/nyt-connections-hints-answers-today...

    Related: The 26 Funniest NYT Connections Game Memes You'll Appreciate if You Do This Daily Word Puzzle Hints About Today's NYT Connections Categories on Saturday, December 14 1.

  9. History and naming of human leukocyte antigens - Wikipedia

    en.wikipedia.org/wiki/History_and_naming_of...

    It was found that some antigens that behaved like A and B antigens but could be excluded based on '2-type max' exclusion. Thus a new group, "C" was created. Classification of C antigens is still ongoing, and they have retained the name Cw as many serotypes have not been developed. The classification of the "A4" antigens was complicated.

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