11 10 8 123 6 5 6. Describe the pathway (ducts) that a sperm cell would travel from its production to ejaculation. What are the three accessory glands of the male reproductive system212 8. List three differences between spermatogenesis and oogenesis. produced in testes and eggs are produced in ovaries. 7. What is the difference between Leydig cells and Sertoli cells in the testes? ). DO NOT include that sperm in

11 10 8 123 6 5 6. Describe the pathway (ducts) that a sperm cell would travel from its production to ejaculation. What are the three accessory glands of the male reproductive system212 8. List three differences between spermatogenesis and oogenesis. produced in testes and eggs are produced in ovaries. 7. What is the difference between Leydig cells and Sertoli cells in the testes? ). DO NOT include that sperm in

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter43: Animal Reproduction And Development

Section: Chapter Questions

Problem 3VCQ: Figure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone...

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Figure 43.17 Which of the following statements about the menstrual cycle is false? Progesterone levels rise during the luteal phase of the ovarian cycle and the secretory phase of the uterine cycle. Menstruation occurs just after LH and FSH levels peak. Menstruation occurs after progesterone levels drop. Estrogen levels rise before ovulation, while progesterone levels rise after.
Which oocyte stage is ovulated? What happens to it if it encounters a sperm cell there? What happens if it does not meet up with sperm?
Leydig cells ________. secrete testosterone activate the sperm flagellum support spermatogenesis secrete seminal fluid
Sperm are produced in the______ scrotum seminal vesicles seminiferous tubules d. prostate gland
Explain how the internal female and male reproductive structures develop from two different duct systems.
What do you think would happen if multiple sperm fused with one egg?
Name one of the functions of the Leydig cells. What is spermatogenesis? What is the location of the Sertoli cells? List the three (3) regions of a sperm cell.
Describe the development of an oocyte from primordial follicle to when it is released at ovulation. How do hormones contribute to this progression? Describe the development of a spermatogonia to a spermatozoa. How do hormones contribute to this progression? What is the function of Sertoli and Leydig cells?
Understanding the causes of infertility can be valuablein developing new birth control methods. Cite a type ofcontraceptive based on each of the following causes of infertility:(a) failure to ovulate due to a hormonal imbalance;(b) a large fibroid tumor that disturbs the uterine lining;(c) endometrial tissue blocking uterine tubes;(d) low sperm count (too few sperm per ejaculate).
If spermatogenesis is normal and all cells survive, how many sperm cells will be formed from 100 spermatogonia?
Name the stages of spermatogenesis from spermatogonium to spermatozoa. How do they differ in the number ofchromosomes per cell and chromatids per chromosome?
After learning about the reproductive systems, how would advise a couple with following concern: "If we do not want a baby for next two years, how can we calculate the safe sex period?" She shares that her cycle is regular but not standard 28 days long cycle (so the standard explanation form different sources won't work unless you think critically)! At what time of the female cycle is she most likely to prevent fertilization of her ovulated egg? Consider the fact that her cycle is not 28 days but longer or shorter (you pick). Do males have any time (in their cycle- if any) when their gametes would not be able to fertilize the egg? In other words when can intercourse lead to least chance of pregnancy? Feel free to check with your older friends, doctors, nurses, or anyone who you feel comfortable talking about this.