Mutants carrying two sma mutations are super small in the nematode C. elegans.

Abstract excerpt

Body size determination is critical for multicellular organisms; however, the mechanisms remain largely unknown. Mutations that alter body size were studied to solve the mechanisms, for example, in mouse, fruit fly and the nematode Caenorhabditis elegans. In C. elegans, a large mutant and several small body size (sma) mutants are known. Of the latter, sma-2, sma-3, sma-4, sma-6, dbl-1 and daf-4 have a mutation in...

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