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← Nature & AnimalsWhich outcome occurs when a localized mutation disables apoptosis signalling in imaginal discs of a developing insect larva?
A)Reduced adult appendage size
B)Correct differentiation is inhibited
C)Overgrowth of specific adult structures✓
D)Premature pupation of the larva
💡 Explanation
When apoptosis is disabled, programmed cell death cannot remove excess or malformed cells during imaginal disc development because regulatory pathways are disrupted, leading to hyperplasia. Therefore overgrowth of specific adult structures results, rather than reduced size, inhibited differentiation, or premature pupation which involve different molecular mechanisms.
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