What is the process of autoradiography? (6) (hint: AgBr and RA)

1) cells grown in radioactive thymidine and is mixed with the DNA 2) cells are lysed to isolate chromosomes and embedded on a slide 3) placed in RA sensitive mixture of AgBr (silver bromide) 4) radiation from thymidine changes Ag+ = insoluble Ag 5) excess AgBr is washed away = leaving Ag (small black dots) 6) film develops to show chromosomal DNA