BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 30, Problem 5WIO
Summary Introduction
To determine:
The number of primary and secondary spermatocytes produced if a single ejaculation contains about 240 million sperm cells.
Introduction:
The process of the formation of motile spermatozoa from the non-motile primary spermatocyte cell is known as spermatogenesis. The process of spermatogenesis in males initiates at puberty. The primary spermatocyte is diploid in origin and is responsible for the production of motile sperms. The mature sperms or spermatozoa are haploid.
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Chapter 30 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 30.1 - Prob. 1MCCh. 30.1 - How is internal fertilization different from...Ch. 30.1 - Prob. 3MCCh. 30.1 - Prob. 4MCCh. 30.2 - What are the relationships among gonads, germ...Ch. 30.2 - Prob. 2MCCh. 30.2 - Prob. 3MCCh. 30.2 - Prob. 4MCCh. 30.2 - Prob. 5MCCh. 30.2 - Prob. 6MC
Ch. 30.3 - Prob. 1MCCh. 30.3 - Where do egg cells develop?Ch. 30.3 - What are the stages of oogenesis?Ch. 30.3 - Prob. 4MCCh. 30.3 - Prob. 5MCCh. 30.3 - Prob. 6MCCh. 30.4 - Describe how three birth control methods work.Ch. 30.4 - Prob. 2MCCh. 30.4 - Describe two reasons that a symptomless STI can be...Ch. 30.5 - Prob. 1MCCh. 30.5 - Prob. 2MCCh. 30.5 - Prob. 3MCCh. 30.5 - Prob. 4MCCh. 30.5 - Prob. 5MCCh. 30.5 - Prob. 6MCCh. 30.5 - Prob. 7MCCh. 30 - Unchanging environments are advantageous to...Ch. 30 - Prob. 2MCQCh. 30 - Prob. 3MCQCh. 30 - Prob. 4MCQCh. 30 - Prob. 5MCQCh. 30 - Prob. 6MCQCh. 30 - Prob. 7MCQCh. 30 - Prob. 8MCQCh. 30 - The umbilical cords function is to a. Transport...Ch. 30 - Prob. 10MCQCh. 30 - Prob. 1WIOCh. 30 - Prob. 2WIOCh. 30 - Prob. 3WIOCh. 30 - Prob. 4WIOCh. 30 - Prob. 5WIOCh. 30 - Prob. 6WIOCh. 30 - Prob. 7WIOCh. 30 - Prob. 8WIOCh. 30 - Prob. 9WIOCh. 30 - Prob. 10WIOCh. 30 - Prob. 11WIOCh. 30 - Prob. 12WIOCh. 30 - Prob. 13WIOCh. 30 - Prob. 14WIOCh. 30 - Prob. 15WIOCh. 30 - Prob. 16WIOCh. 30 - Prob. 17WIOCh. 30 - Some newborn mammals can walk and carry out other...Ch. 30 - Prob. 19WIOCh. 30 - Prob. 1SLCh. 30 - Review Why We Care 30.1 What kinds of studies and...Ch. 30 - Prob. 1PITCh. 30 - Prob. 2PITCh. 30 - Prob. 3PIT
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- If there are 7 spermatogonium that will undergo cell division, how many functional spermatozoa will be formed?arrow_forwardIf there are 7 spermatogonium that will undergo cell division, how many primary spermatozoa will be formed?arrow_forwardIn diagram form, present the Stages of Spermatogenesis.arrow_forward
- Gross Anatomy of the Human Male and Female Reproductive System a) Assume that a couple has just consummated the sex act and that the sperm have been deposited in the vagina. Trace the pathway of the sperm through the female reproductive tract. b) Define ovulation. c)The testis is divided into a number of lobes by connective tissue. Each of these lobes contains one to four_______ which converge to empty sperm into another set of tubules called the_______arrow_forwardDescribe 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?arrow_forwardDescribe the structure of a sperm with a diagram.arrow_forward
- Explain how a spermatogonium, containing a diploid number of chromosomes, develops into four functional sperm, each containing a haploid number of chromosomes. In what significant way(s) does oogenesis differ from spermatogenesis?arrow_forwardHow many sperms will be produced from 10 primary spermatocytes and how many eggs will be produced from 10 primary oocytes?arrow_forwardDarcy and Raul are having difficulty conceiving a child. Darcy ovulates every 28 days, and Raul’s sperm count is normal. If we could observe Raul’s sperm about an hour after ejaculation, however, we’d see that they appear to be moving only sluggishly. When Raul’s sperm eventually encounter Darcy’s oocyte, they appear to be incapable of generating an adequate acrosomal reaction. Which process has probably gone wrong?arrow_forward
- Why sperms are produced in large numbers?arrow_forwardIf fertilization occurs, the corpus luteum continues to produce hormones under the direction of Human Chorionic Gonadotrophin (HCG), which is produced by the embryo. By the third month, what begins to produce estradiol and progesterone?arrow_forwardDescribe the internal structure of a testis. Where are sperm cells produced? What are the functions of sustentacular cells and interstitial (Leydig) cells?arrow_forward
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