| GENERAL CHARACTERISTICS ITEM DESCRIPTION | SHOWS THE STRUCTURE OF DNA IN DIAGRAMMATIC FORM,PROVIDING A DEMONSTRATION OF ITS THREE-DIMENSIONAL CONFIGURATION; PLASTIC PIECES REPRESENT THE BASES,COLOR-CODED AND MARKED W/ IDENTIFYING LETTERS,SHAPED SO THAT ONLY THE PROPER PAIRS WILL FIT TOGETHER,TWELVE PAIRS SNAP INTO A SUPPORTING ROD,FLEXIBLE STRANDS JOIN THE ENDS OF THE BASE; ASSEMBLED DIM. 17.5BY3BY7 IN.; PARTS SUPPLIED TO CONSTRUCT TWO SEPARATE SEGMENTS OF MOLECULES; COMES IN A LEATHERETTE BOX |