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Expression of homeodomain genes between A. nanus and C. elegans. (A) Comparison of temporal expression of selected orthologous genes in A. nanus and C. elegans. Specific homeodomain genes that were further analyzed by in situ (B) are emphasized with dotted outlines. (B) In situ hybridizations for ceh-20 and ceh-34 orthologs in A. nanus.
