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Globin gene expression in 1.36kb γpr-βYAC transgenic mice by RNase protection assay. Representative RNase protection assays (line A of Tables 1 to 3) showing the protected fragments of murine α and ζ as well as human ɛ, γ, and β mRNA. The corresponding sizes of the protected band are shown on the right side. Bl, blood; YS, yolk sac; FL, fetal liver; wt, wild type.
