The presence of a 'cytoplasmic droplet' on the midpiece of a sperm cell is a sign of:
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Correct answer: Immaturity of the sperm
As sperm mature in the epididymis, they normally shed their excess cytoplasm. The presence of a large cytoplasmic droplet (greater than one-third the size of the sperm head) is considered a morphological defect indicating incomplete maturation.
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