A survey of the gamma-globin gene region of over 1000 normal individuals revealed a novel 2.5 kb deletion which removes the 5' end of the A gamma-globin gene. Unusually, this deletion in the beta-globin gene cluster is not associated with increased fetal haemoglobin production. Sequence analysis of the deletion endpoints revealed no significant homology at the breakpoint and failed to support a role for a proposed recombination hotspot in IVS-2 in the generation of this illegitimate recombina...Expand abstract
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A silent deletion in the beta-globin gene cluster.
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