sentences:  Its kinetoplast is easily visible in samples stained with DAPI, a fluorescent DNA stain, or by the use of fluorescent in situ hybridization (FISH) with BrdU, a thymidine analogue.The kinetoplast contains circular DNA in two forms, maxicircles and minicircles.Maxicircles are between 20 and 40kb in size and there are a few dozen per kinetoplast.