Вопрос
CELLS OF THE SEMINIFEROUS EPITHELIUM THAT UNDERGO SECOND MEIOTIC DIVISION ARE Select one: spermatogonia spermatids primary spermatocytes secondary spermatocytes spermatozoa
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профессионал · Репетитор 6 летЭкспертная проверка
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The correct answer is secondary spermatocytes.<br /><br />In the seminiferous epithelium of the testes, the cells that undergo the second meiotic division are the secondary spermatocytes. The process of spermatogenesis involves several stages of cell division and differentiation:<br /><br />1. Spermatogonia: These are the diploid stem cells located at the outer edge of the seminiferous tubules. They undergo mitotic division to produce primary spermatocytes.<br /><br />2. Primary spermatocytes: These are the diploid cells that undergo the first meiotic division to produce two haploid secondary spermatocytes.<br /><br />3. Secondary spermatocytes: These are the haploid cells that undergo the second meiotic division to produce four haploid spermatids.<br /><br />4. Spermatids: These are the haploid cells that undergo a series of differentiation steps to become mature spermatozoa.<br /><br />5. Spermatozoa: These are the mature, motile sperm cells that are released into the lumen of the seminiferous tubules.<br /><br />Therefore, the cells that undergo the second meiotic division in the seminiferous epithelium are the secondary spermatocytes.
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