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← Nature & AnimalsWhich developmental impairment results when juvenile hormone remains elevated during a pupal diapause?
A)Imaginal disc apoptosis inhibition✓
B)Premature adult structure development
C)Arrested larval cuticle synthesis
D)Failed ecdysone receptor expression
💡 Explanation
When juvenile hormone (JH) levels stay high during pupal diapause, it interferes with metamorphosis because JH prevents imaginal discs from differentiating, leading to programmed cell death inhibition within these tissues. Therefore apoptosis inhibition results, rather than other developmental effects that depend on proper JH regulation and signaling.
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