Apical dominance is caused by

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(A) Apical dominance is a phenomenon in plants where the main central stem of the plant grows more dominantly than the side (lateral) stems.This proce

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Auxin

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(A) Apical dominance is a phenomenon in plants where the main central stem of the plant grows more dominantly than the side (lateral) stems.This process is primarily regulated by the plant hormone $Auxin$.$Auxin$ is synthesized in the apical meristem and transported downwards,where it inhibits the growth of lateral buds,thereby maintaining the dominance of the apical bud.

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