Which cellular outcome disrupts butterfly wing pattern formation when imaginal disc apoptosis is inhibited during metamorphosis?

💡 Explanation

When imaginal disc apoptosis is inhibited, defective cells remain, which inhibits cellular differentiation during development because cell signaling pathways responsible for regulating specification of scale subtypes are disrupted, leading to ectopic pattern elements forming. Therefore option B is correct, rather than other options needing specific developmental pathways.

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