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Distribution of heterochromatic blocks uncovered by C-banding in metaphases of Calabaria reinhardtii (a,b), Candoia paulsoni (c,d), Chilabothrus angulifer (e,f), Eunectes notaeus (g,h), Lichanura trivirgata (i,j), Morelia spilota (k,l), Morelia bredli × M. spilota hybrid (m,n) and Morelia bredli (o).
