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expressed in two different phases of gastrulation and is sensitive to retinoic acid treatment in chick embryo 49, 49 role of the B&C locus on the expression of genes located at the ecdysone-regulated(More)
The serendipity alpha (sry alpha) cellularisation gene is only transcribed at the blastoderm stage, when this morphogenetic event takes place. We show that a 95 bp sry alpha upstream region is(More)
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