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Acrosome reaction in sperm is triggere

Answer» <p>Ans :- It allows spermatozoa to penetrate the zona pellucida and fuse with the oocyte membrane. Spermatozoa unable to undergo theacrosome reactionwill not fertilize intact oocytes. ... The steroid hormone progesterone has been shown to evoke critical responses inspermcells leading to theacrosome reaction.</p>


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