Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 46, Problem 4IQ
Summary Introduction
To list: The three important ways in which spermatogenesis is different from oogenesis.
Introduction: The reproductive system (or genital system) is involved in sexual reproduction. The male and female reproductive systems function to propagate the species. Gametogenesis is a process by which the male and female gametes are produced. The spermatogenesis and oogenesis are the two types of gametogenesis present in the sexual reproduction of animals.
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Chapter 46 Solutions
Study Guide for Campbell Biology
Ch. 46 - a. What adaptive advantages may asexual...Ch. 46 - Prob. 2IQCh. 46 - Prob. 3IQCh. 46 - Prob. 4IQCh. 46 - Fill in the blanks in the following description of...Ch. 46 - In the following diagram of the human female...Ch. 46 - Prob. 7IQCh. 46 - Prob. 8IQCh. 46 - Prob. 1SYKCh. 46 - Answer the following questions concerning the...
Ch. 46 - Prob. 3SYKCh. 46 - Prob. 1TYKFCh. 46 - Prob. 2TYKFCh. 46 - Prob. 3TYKFCh. 46 - Prob. 4TYKFCh. 46 - ______ common opening of digestive, excretory, and...Ch. 46 - Prob. 6TYKFCh. 46 - Prob. 7TYKFCh. 46 - Prob. 8TYKFCh. 46 - Prob. 9TYKFCh. 46 - Prob. 10TYKFCh. 46 - Prob. 1TYKCh. 46 - Prob. 2TYKCh. 46 - Prob. 3TYKCh. 46 - Prob. 4TYKCh. 46 - Prob. 5TYKCh. 46 - Prob. 6TYKCh. 46 - Which of the following statements correctly...Ch. 46 - What is the role of the corpus luteum in...Ch. 46 - The secretory phase of the uterine cycle a. begins...Ch. 46 - Prob. 10TYKCh. 46 - Prob. 11TYKCh. 46 - Choose from the following hormones to answer...Ch. 46 - Prob. 13TYKCh. 46 - Prob. 14TYKCh. 46 - Prob. 15TYKCh. 46 - Prob. 16TYKCh. 46 - Prob. 17TYK
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- a) Give a detailed account of the hormonal control of the human menstrual cycle. Briefly explain the similarities and differences between oogenesis and spermatogenesis. b)arrow_forwardWhich of the following statements is/are true? A. Spermatogenesis is an example of asymmetric cell division. B. The formation of a mature egg occurs through symmetric cell division. C. Spermatogenesis and oogenesis are both examples of asymmetric cell division. D. Spermatogenesis involves only symmetric cell division whereas oogenesis involves asymmetric cell division.arrow_forwardDraw a schematic diagram showing spermatogenesis vis-à-vis oogenesis. Label the stage of development and chromosome number of daughter cells at the following levels of maturation: (a) mitotic proliferation (b) meiosis I and II (c) maturation. Table 2: Spermatogenesis vis-à-vis Oogenesis Spermatogenesis Oogenesisarrow_forward
- Reproductive physiology (human) a) At the time of ovulation, the released ovum (egg) has completed both meiosis I and meiosis II. b) Because the corpus luteum (CL) is rescued from atresia by hCG early in pregnancy, the CL continues to produce progesterone throughout the 9 months of a normal pregnancy. c) Late in the follicular phase, estrogen participates in a positive feedback loop that leads to a surge in luteinizing hormone and ovulation. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correctarrow_forwardBriefly describe the function of the following: - spermatogenic cellarrow_forwardWhich of the following statements does NOT correctly describe the events following fertilization? Select one: a. Only the inner cell mass cells in a blastocyst are pluripotent. b. The trophoblast has an important role in maintaining the pregnancy, as it prevents the endometrium from shedding. c. As hCG takes over maintaining the endometrium immediately after implantation, the corpus luteum degenerates into the corpus albican. d. All 16 cells in a morula are truly totipotent, meaning that they can become any cells in the human body.arrow_forward
- List three ways in which oogenesis differs from spermatogenesis. Be specific!arrow_forwardCompare oogenesis to spermatogenesis. How are the two processes similar? How do they differ? (Consider both follicle and sperm structure throughout development as well as the timing of the stages.)arrow_forwardIn human spermatogenesis, mitosis of a stem cell gives rise to one cell that remains a stem cell and one cell that becomes a spermatogonium. (a) Draw four rounds of mitosis for a stem cell, and label the daughter cells. (b) For one spermatogonium, draw the cells it would produce from one round of mitosis followed by meiosis. Label the cells, and label mitosis and meiosis. (c) Explain what would happen if stem cells divided like spermatogonia.arrow_forward
- In general, the greatest vulnerability to teratogens occurs during: Group of answer choices the last part of the fetal period of prenatal development. A the embryonic period of prenatal development. B the zygotic period of prenatal development. C the germinal period of prenatal development. Darrow_forwardSpermatogenesis and oogenesis both involve meiosis but differ in significant ways. One of those differences include what? A) Cytokinesis is unequal in spermatogenesis B) Production of sperm is continuous; in humans, and the number of future egg cells is set at birth C) Oogenesis is an uninterrupted sequence, but there are long delays in spermatogenesis D) All of the abovearrow_forwardDuring the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the purpose of maintaining the corpus luteum? Select one: a. The corpus luteum produces relaxin, which thickens the endometrium. b. The corpus luteum ensures that the endometrium does not break down during the first trimester. c. The corpus luteum supports the formation of the placenta. d. The chorion forms the fetal part of the placenta, and the corpus luteum supports the maternal part of the placenta.arrow_forward
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