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Comparison of human γ gene expression in hGATA(+) (solid column) and hGATA(−) (stippled column) βYAC transgenic littermates. (A–C) Results of mating of the same hGATA-1 male with females of βYAC lines A–C, respectively. Notice that there are no differences in γ gene expression between hGATA(+) and hGATA(−) embryos or fetuses.
