Pharmacology Cross-resistance can be one way or two way, one-way resistance can be seen in: A Neomycin and streptomycin B Tetracycline and doxycycline C Sulphadiazine and sulphadoxine D None of the above 💡 Explanation Cross-resistance can be one way or two way, one-way resistance can be seen in: ✓ Correct Answer: A. Neomycin and streptomycin