Secondary spermatocytes are the third step on the path to sperm. They don't stay around long. They split almost right away.
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When a primary spermatocyte splits in two, the two new cells are secondary spermatocytes.
Each one has half as many chromosomes as most body cells: 23 instead of 46.
Secondary spermatocytes last such a short time that scientists find them hard to spot under a microscope!
Each secondary spermatocyte quickly divides again. This is the second step of meiosis.
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