Oogenesis Process

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What is oogenesis?
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Oogenesis is the process of egg cell formation in females.
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Where does oogenesis occur in the body?
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Oogenesis occurs in the ovaries.
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What is the starting cell in oogenesis?
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Oogenesis starts with oogonia.
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What are primary oocytes?
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Primary oocytes are cells that undergo the first meiotic division during oogenesis.
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What triggers the completion of the first meiotic division in oogenesis?
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The LH surge triggers it during ovulation.
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What is formed after the first meiotic division of a primary oocyte?
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A secondary oocyte and a polar body are formed.
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At what stage is a female's egg cell released during ovulation?
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The secondary oocyte is released during ovulation.
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What happens to the secondary oocyte if fertilization occurs?
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It completes the second meiotic division to form a mature ovum.
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What is a polar body, and why is it produced?
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A polar body is a small cell produced to discard extra genetic material.
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How many mature egg cells are typically produced from one primary oocyte?
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One mature egg cell is produced.
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What role do granulosa cells play in oogenesis?
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Granulosa cells support and nourish the developing oocytes.
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How does oogenesis differ from spermatogenesis?
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Oogenesis produces one egg, while spermatogenesis produces four sperm per precursor cell.
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What is the biological significance of oogenesis?
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Oogenesis ensures genetic variation and the formation of viable egg cells for reproduction.
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What is menopause's impact on oogenesis?
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Menopause marks the end of oogenesis as ovarian follicle depletion occurs.
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Why is only one dominant follicle typically ovulated?
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To ensure adequate resources and support for the developing oocyte.
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