Xg antigen system

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Xg blood group
Chr. X p22.32

The XG antigen is a red blood cell surface antigen discovered in 1962.[1] by researchers at the MRC Blood Group Unit.[2]

The PBDX gene that encodes the

lyonisation) express the functioning protein on just some of their red blood cells.[citation needed
]

Frequency

Population frequencies of Xa[5]
Population Sample
N 		Xg
%
Australian Aborigines 352 79
Chinese, mainland 171 60
North Europeans 5,388 66
Indians, Bombay 100 65
Israelis 201 66
American Indians
 308 77
New-Guineans 263 85
New York's Afro-Americans 219 55
Sardinians 322 76
Taiwan Chinese 178 53
Taiwan Aborigines 164 38

References

  1. PMID 9798268
    .
  2. ^ Mann, J. D., Cahan, A., Gelb, A. G., Fisher, N., Hamper, J., Tippett, P., Sanger, R., Race, R. R A sex-linked blood group. Lancet. 1962;279:8.
  3. S2CID 36695727
    .
  4. S2CID 4209911
    .
  5. ISBN 978-0-19-857165-0
    .


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