During fertilization,which centriole of the s | vedclass

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(A) During the process of fertilization,the sperm enters the egg cytoplasm. The sperm contains two centrioles: the proximal centriole and the distal c

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Proximal centriole

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(A) During the process of fertilization,the sperm enters the egg cytoplasm. The sperm contains two centrioles: the proximal centriole and the distal centriole. The proximal centriole is located near the nucleus of the sperm head. Upon entry into the egg,the proximal centriole organizes the microtubules to form the mitotic spindle apparatus,which is essential for the first cleavage division of the zygote. The distal centriole is involved in the formation of the sperm tail (axoneme) and does not participate in spindle formation.

During fertilization,which centriole of the sperm gives rise to a spindle system inside the egg?

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