17 - Biology 3/17 Chapter 27 Reproductive System Exam 3...

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Biology 3/17 Chapter 27 Reproductive System Exam 3 Wednesday March 26 On Chapter 26 & 27 Homework assignment will be posted on Blackboard Wednesday Exam review next Monday Chapter 27 Reproduction and Embryonic Development Gametogenesis - 27.4 Where? How? - Spermatogenesis-Male gamete formation (sperm, has n chromosomes) - Oogenesis- female gamete formation (ovum, egg, has n chromosomes) - 3 main differnences o # Of functional gametes produced o Finite vs. infinite o Frequency of gametogenesis Men are constantly making sperm Women make eggs once a month 27.4 & 27.5 Ovarian cycle - Thousands of follicles-a primary oocyte surrounded by follicle cells - Produce estrogen - Every 28 days one follicle matures and grows o Primary oocyte undergoes meiosis I o What is the result? o Follicle cells makes more estrogen - Ovulation o release of secondary ooctyte into where? o Remaining follicular tissue develosp into corpus luteum o Galdnular cells-secretes progesterone o If no fertilization and implantation, corpus luteum degrades and cycle
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17 - Biology 3/17 Chapter 27 Reproductive System Exam 3...

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