Dna-array-equipped cartridge,analyzer and method for using the dna-array-equipped cartridge

Rotating a cartridge body 54 allows distribution ports and a combined distribution port provided in the cartridge body 54 and a channel inlet 53c provided in an upper surface of a ring array 53 to sequentially face a fluid port 30a of a reaction tank 30 independent of the cartridge body 54. Additionally, rotating the cartridge body 54 allows a plurality of DNA probes 53a to sequentially face a collimating lens 62a serving as a light detector independent of the cartridge body 54.