For callus formation, auxin and cytokinin are required in which ratio? A. Balanced B. Only cytokinin required C. Low auxin, very high cytokinin D. Only auxin 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostA special protein carrier in plasma membrane is Next PostThe usual position of the two centrioles in relation to each other is at right angle in: If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply