Knowing left from right: the molecular basis of laterality defects.

Abstract excerpt

The apparent symmetry of the vertebrate body conceals profound asymmetries in the development and placement of internal organs. Asymmetric organ development is controlled in part by genes expressed asymmetrically in the early embryo, and alterations in the activities of these genes can result in severe defects during organogenesis. Recently, data from different vertebrates have allowed researchers to put forward...

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