1.What is a microarray Four distinct characteristics of microarray Microscopic target elements or spots; 。Planar substrates, Rows and columns of elements; Specific binding between microarray target element on the substrate and probe molecules in solution. 1.What is a microarray Four distinct characteristics of microarray : • Microscopic target elements or spots; • Planar substrates; • Rows and columns of elements; • Specific binding between microarray target element on the substrate and probe molecules in solution