<prompt> Cross-resistance can be one way or two way, one-way resistance can be seen in:Neomycin and streptomycinTetracycline and doxycyclineSulphadiazine and sulphadoxineNone of the above  <response>: Organisms that develop resistance to an antimicrobial agent may also show resistance to other chemically related AMAs. The cross-resistance among AMAs could either be one-way or two-way. Cross-resistance among tetracyclines and sulphonamides is usually two-way. 