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  • Title: Beta-chain variants in Jamaican newborns.
    Author: Ahern E, Ahern V, Serjeant GR, Serjeant BE, Seakins M, Darbre P, Middleton A, Lehmann H.
    Journal: Hemoglobin; 1978; 2(6):495-502. PubMed ID: 750551.
    Abstract:
    In an electrophoretic study of 15,661 Jamaican cord bloods, 8 rare beta-chain variants were found in 18 subjects in addition to the common beta-chain variants, Hb S and Hb C. The heterozygote frequencies for Hb S and Hb C were 10.1% and 3.7% respectively. The most frequent of the rare beta-chain variants were Hb Korle Bu (beta 73 Asp leads to Asn) (7 cases) and Hb O su-Christiansborg (beta 52 Asp leads to Asn) (3 cases). One new beta-chain variant, Hb Caribbean (beta 91 Leu leads to Arg) was found.
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