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A multiple sequence alignment program, MAFFT, has been developed. The CPU time is drastically reduced as compared with existing… Expand All insects possess homologous segments, but segment specification differs radically among insect orders. In Drosophila, maternal… Expand Although cell movements are vital for establishing the normal architecture of embryos, it is unclear how these movements are… Expand The authors thank Kathryn Ayscough, Ken Beck, Fred Chang, Yih-Tai Chen, Kent Grindstaff, and Jeremy Thorner for comments on the… Expand Recently reported radioisotopic dates and magnetic anomaly spacings have made it evident that modification is required for the… Expand This review compiles positively and negatively solvatochromic compounds which have been used to establish empirical scales of… Expand We have identified three members of a mouse gene family related to the Drosophila segment polarity gene, hedgehog (hh). Like hh… Expand 'The development of a multicellular organism from a single egg cell requires both the determination of many cell types and the… Expand We have constructed a magnetic polarity time scale for the Late Cretaceous and Cenozoic based on an analysis of marine magnetic… Expand By the end of the first week in culture, hippocampal neurons have established a single axon and several dendrites. These 2… Expand