WebPhylogenetic analyses of asymmetry variation offer a powerful tool for exploring the interplay between ontogeny and evolution because (i) conspicuous asymmetries exist in many higher metazoans with widely varying modes of development, (ii) patterns of bilateral variation within species may identify genetically and environmentally triggered … WebAug 28, 2013 · Strike-slip basins thus present a wide diversity in terms of their geometry, evolution, and filling processes. ... The basin formed originally as a sinistral strike-slip basin [77, 86], but developed into a dextral strike-slip basin after the change in the sense of fault displacement of the RRFZ [87, 88].
Chiral Speciation in Terrestrial Pulmonate Snails PLOS ONE
WebGenetic analyses of dextral broods containing a few sinistral individuals have demonstrated that different dextral genes vary in penetrance. The dextral gene produces a product … WebDefine sinistral. sinistral synonyms, sinistral pronunciation, sinistral translation, English dictionary definition of sinistral. adj. 1. Of or facing the left side. 2. Left-handed. 3. … find cheap rental cars reddit
How the snail
WebDec 15, 2010 · Sinistral Satsuma snails cannot mate with right-coiling Satsuma species, leading scientists to wonder how sinistrality could have spread through dextral populations. WebDec 15, 2009 · Evolution involved both the cryptic evolution of a dextral, compressed morphotype and the rapid evolution of G. tumida, in both cases likely by cladogenesis. … WebOct 11, 2005 · The direction that a snail (Mollusca: Gastropoda) coils, whether dextral (right-handed) or sinistral (left-handed), originates in early development but is most easily observed in the shell form of the adult. Here, we review recent progress in understanding snail chirality from genetic, developmental and ecological perspectives. In the few … find cheap senior living