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What occurs during the secretory phase of the menstrual cycle?
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27. The Reproductive System
Introduction to the Reproductive System
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Which of the following statements about oogenesis in humans is true?
A
Oogenesis occurs continuously throughout a woman's life.
B
Oogenesis produces one mature ovum and polar bodies from each primary oocyte.
C
Oogenesis is completed before birth in human females.
D
Oogenesis results in four viable ova from each primary oocyte.
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Understand that oogenesis is the process of egg cell development in females.
Recognize that oogenesis begins before birth, with the formation of primary oocytes during fetal development.
Note that after birth, oogenesis is paused and resumes at puberty, continuing until menopause.
During oogenesis, each primary oocyte undergoes meiosis, but only one mature ovum is produced, along with polar bodies that are not viable.
Remember that unlike spermatogenesis, which produces four viable sperm cells, oogenesis results in one viable ovum from each primary oocyte.
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