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About Bombay blood type

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    Statement: The following content is quoted from Sogou Encyclopedia, which aims to help readers understand Mumbai blood type so as to better understand the story.

    Bombay blood type is extremely rare among Chinese people, because there are no a, b, h antigens on red blood cells, in addition to anti-a, anti-b antibodies, there are anti-h antibodies in the serum, a or b antigens can be found in saliva  Blood type is a branch of Mumbai blood type, which was first discovered in Mumbai, India in 1952. The academic term is called subtype, so it is called sub-Mumbai blood type (or called Mumbai-like blood type).

    The so-called Mumbai blood type, simply put, is that type a or type b does not show up very well, and they are all mistaken for type o blood type.  If you help these sub-Mumbai blood type people who are mistaken for O type blood type to do O type blood group antigen test, you will know that they are not O type blood type.

    At present, there are three types of Mumbai blood types: h lacks non-secretory type (Bombay blood type bombay), h part lacks non-secretory type (sub-Mumbai blood type para-bombay) and h part lacks secretory type (sub-Mumbai blood type para-bombay).

    The difference between "secretory type" and "non-secretory type" lies in whether the saliva contains substance h (the expression of the o-type gene). People with "secretory type" can find substance h in their saliva, while those with "non-secretory type" can find substance h in their saliva.  Less than h substance.

    In Mumbai, India, where Mumbai has the most blood types, the frequency of such blood types is only about one in 10,000.

    Chinese people have less chance of Bombay type. All blood donors in Taiwan are found to be "secretory sub-Bombay blood type".  .

    However, in some areas inhabited by ethnic minorities in China, the local occurrence frequency is relatively high.  According to the analysis of more than 1,000 blood samples from more than 10,000 Zhuang blood donors in the vicinity of Nanning by the blood station of Guangxi Autonomous Region, the probability of showing the Mumbai blood type is as high as 5¡ë.

    Mumbai blood type is very rare all over the world, it is about one in 10,000 in India and about one in a million in Europe.  In some isolated areas, French R¨¦union, the rate of h antigen-deficient individuals is as high as about 1 in 10 million.  (Remember the site URL: www.hlnovel.com
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