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Question
How many polar bodies are produced during the entire process of oogenesis in unmarried human female?
How many polar bodies are produced during the entire process of oogenesis in unmarried human female?
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Solution
The correct option is B Two
The primary oocyte with the tertiary follicle undergo first meiotic division and produces a large haploid secondary oocyte and a tiny first polar body. The second meiotic division occurs in secondary oocyte just before fertilization. The entry of sperm induces the completion of the second meiotic division of the secondary oocyte with the formation of a second polar body and a haploid ovum (ootid). Thus, if a woman is not exposed to sperms, the secondary oocyte will not undergo second meiotic division and consequently only one polar body will be produced. Thus, the correct answer is option B.
The primary oocyte with the tertiary follicle undergo first meiotic division and produces a large haploid secondary oocyte and a tiny first polar body. The second meiotic division occurs in secondary oocyte just before fertilization. The entry of sperm induces the completion of the second meiotic division of the secondary oocyte with the formation of a second polar body and a haploid ovum (ootid). Thus, if a woman is not exposed to sperms, the secondary oocyte will not undergo second meiotic division and consequently only one polar body will be produced. Thus, the correct answer is option B.
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(a) About 300 million spermatozoa may be present in a human male ejaculation at one time. Calculate how many spermatocytes will be involved to produce this number of spermatozoa.Join BYJU'S Learning Program
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