Answered: At puberty, the testes contain a finite…

At puberty, the testes contain a finite number of cells and producean enormous number of sperm cells during the life span of a male.Explain why testes do not run out of spermatogonial cells

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter20: The Reproductive System

Section: Chapter Questions

Problem 2TAHL

See similar textbooks

Related questions

Q: If an embryo splits at the two-cell stage, each of the resulting identical twins will have its own…

A: Identical twins: The splitting up of the embryos into two at the two-cell stage leads to the…

Q: Explain the process of spermatogenesis and oogenesis in vertebrates.

A: Spermatogenesis is the by which sperm cell develops. Oogenesis is the growth process by which the…

Q: If human fetus were exposed to very low levels of both testosterone and estrogen during prenatal…

A: People with both male and female anatomy and mixed characteristics are called as intersexes. The…

Q: Why fertlization doesnot takes place if the sperm count is lower?

A: The man's body makes tiny cells called sperm. During sex, ejaculation normally delivers the sperm…

Q: Early pregnancy tests used antibodies to detect the presence of human chorionic gonadotropin (hCG)…

A: The outermost membrane that surrounds the embryo is known as chorion. From the outer fold of the…

Q: Descent of the testes includes their passage through:- a. the inguinal canal. b. the spermatic cord.…

A: Descent of testis means the movement of testis f

Q: If a human female begins taking estradiol and progesterone immediately after the start of a new…

A: The hormones of the reproductive arrangement of vertebrates (sex hormones) are steroids that are…

Q: Oogenesis produces_viable cell/s, and spermatogenesis produces_ viable cell/s О 4,2 О 1,4 O 4,4 O…

A: Spermatogenesis and oogenesis are the processes of formation of male and female gametes.…

Q: Compare and contrast the stages of oogenesis and spermatogenesis.

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

Q: Predict the effect on the ovarian cycle of administering a relativelylarge amount of estrogen and…

A: OVARIAN CYCLE The ovarian cycle refers to all the changes taking place in the ovaries during the 28…

Q: Chorionic villi develop from:- a. the zona pellucida. b. the endometrium. c. the…

A: Chorionic Villi sprout from the chorion after their rapid proliferation in order to give a maximum…

Q: In a female human, the oogonium forms when the female is a _____________.

A: Singular word – oogonium, the plural word is oogonia. Oogonia is an immature female reproductive…

Q: The secondary oocyte leaving the follicle is in (a) interphase. (b) metaphase of the first meiotic…

A: Meiosis CD (Cell Division) is categorized into two stages. In meiosis, I, a reductional CD occurs…

Q: Spermatogenesis produces cells that area. diploid and genetically identical to each other.b. diploid…

A: Spermatogenesis: The mature male gametes commonly called sperm but more precisely known…

Q: Among many oocytes that attempt to mature, only a few are ovulated. What are the events that led to…

A: Introduction: Oogenesis:Oogenesis begins with the development of primary oocytes, which is…

Q: In the Male reproductive gland in the growth zone there are 20000 primary spermatocytes. How many…

A: The male reproductive organs include the penis, scrotum, testes, epididymis, vas deferens, prostate,…

Q: What are the different parts of a sperm? Explain their importance in fertilization.

A: Reproduction is an essential process in the sustenance of organisms. The male and female gametes…

Q: Cite the difference between grasshopper and rat testes. Cite the differences of spermatogenesis on…

A: Grasshoppers belong to the group of insects whereas rats belong to the group of mammals. The sexual…

Q: Define gametogenesis

A: The reproductive system is a bodily organ system that includes both male and female reproductive…

Q: Contrast the number of sperm that are produced from oneprimary spermatocyte and the number of eggs…

A: Introduction The life starts from single cell called Zygote. A zygote is formed by the fusion of…

Q: An oocyte lives for only 24 hours after ovulation if it is not fertilized. The trip down the uterine…

A: The Fallopian tube serve as the site for fertilization. Fertilization specifically occur in the…

Q: Describe spermatogenesis and oogenesis in humans.

A: Spermatogenesis and oogenesis results in the formation of male and female gametes inside the male…

Q: The enzymes with which a sperm penetrates an egg are contained in an organelle called the _____.

A: Males and females have different reproductive systems. Males have tested and females have ovaries.…

Q: Rarely, two sperm may penetrate a secondary oocyte. Do youthink this fertilized cell will survive…

A: Fusion of only one sperm takes place with the egg.

Q: Ovulation in mammals, whether it is induced or spontaneous,occurs in response to a surge of…

A: Luteinizing hormone (LH) is a gonadotropin.

Q: In the process of spermatogenesis, each cell undergoes meiosis II, resulting in the production of…

A: Spermatogenesis is the process of production of haploid spermatozoa from germ line cells. This…

Q: .What type of abnormality in the sperm that fertilizes a normal egg will produce an XYY zygote? What…

A: XYY syndrome or Jacob's syndrome . This condition 47 ( or 46Y) is seen in male . It is not…

Q: List the steps of oogenesis and spermatogenesis

A: The both male and the female sexual reproductive organs are important for the reproduction process.…

Q: Leydig cells ________.a. secrete testosteroneb. activate the sperm flagellumc. support…

A: Leydig cells can also be called as interstitial cells. They are group of polyhedral cells which are…

Q: Implantation of a blastocyst does not always happen. Approximately how many days after…

A: Fertilization of the secondary oocyte in the oviduct forms zygote which in turn divides by cleavage.…

Q: List three ways in which oogenesis differs from spermatogenesis. Be specific!

A: Spermatogenesis and oogenesis are the processes of the formation of male and female gametes.…

Q: Despite the presence of So many sperms in the vicinity of an egg cell, only one sperm enters the…

A: Fertilization is a process in which male and female gametes fuse to form a zygote. This zygote…

Q: The spermatogonial cell has 46 chromosomes in human male. Give the number of chromosomes in: (a)…

A: The deoxyribonucleic acid (DNA) molecules is packaged into thread-like structures in the nucleus of…

Q: A sperm has just fertilized a human egg in the fallopian tube. Trace the events that the fertilized…

A: Fertilization is the process that involves the union of sperm and female ovum gametes to produce a…

Q: The ability to roll the tongue to form a “tube” results from a dominantgene. Suppose that a woman…

A: Dominant allele is a particular variant of a trait which for some reason express itself strongly all…

Q: Birth control pills commonly provide excess progesterone that serves to inhibit (suppress) the…

A: The major hormones involved in the Menstrual Cycle are: FSH: This hormone is responsible for the…

Q: Describe gametogenesis in human.

Q: About the time of ovulation, the anterior pituitary gland releases a surge of _____ which initiates…

A: Answer. The general term female reproductive cycle encompasses the ovarian and uterine cycles, the…

Q: In tabular form, Cite the differences of spermatogenesis on grasshopper and rat

A: Introduction: The animal kingdom is characterized by eukaryotic, multicellular animal forms.…

Q: Explain the concept of Development of Gametes Varies in Spermatogenesis Compared to Oogenesis ?

A: The reproductive cells of a living creature are called gametes. Sex cells is another name for them.…

Q: Which of these has the largest amount of DNA?

A: Spermatogenesis is the formation of spermatid (n) from spermatogonia(2n). Spermatogonia(2n) - 2…

Q: The corpus luteum (CL) is critical in the maintenance of pregnancy in the mouse. Explain why? What…

A: The function of reproduction is to confirm a species' survival; it is the process through which…

Q: Why is it risky for a haploid sperm cell to go through diffrencition after meiosis?

A: In males, new germ cells continuously enter meiosis from the time of sexual maturation, and each…

Question

At puberty, the testes contain a finite number of cells and produce
an enormous number of sperm cells during the life span of a male.
Explain why testes do not run out of spermatogonial cells

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

A spermatogonial cell undergoes mitosis before entering the meiotic cell cycle en route to the production of sperm. However, during mitosis the cytoplasm fails to divide, and only one daughter cell is produced. A resultant sperm eventually fertilizes a normal ovum. What is the chromosomal complement of the embryo?
The Human Reproductive System Discuss and compare the products of meiosis in human females and males. How many functional gametes are produced from the daughter cells in each sex?
During cleavage, the _______ is converted to a ball of cells, which in turn is transformed into the __________. a. zygote; blastocyst b. trophoblast; embryonic disk c. ovum; embryonic disk d. blastocyst; embryonic disk
In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?
Figure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.
In a possible future scenario, male fertility drops to zero, but, luckily, scientists develop a way for women to pro-duce babies by virgin birth. Meiocytes are converted di-rectly (without undergoing meiosis) into zygotes, which implant in the usual way. What would be the short- andlong-term effects in such a society?
In humans, gametogenesis in both sexes relies on meiosis. However, spermatogenesis produces four gametes while oogenesis produces only one. Explain why this is so, including the specific structures or processes involved.
In tabular form, Cite the differences of spermatogenesis on frog and chicken.
There are thousands of children born every year with genitalia structures that are nol fully male or female, A condition know as ambiguous genitalia. Please explain how this condition occurs?
Which of the following structure is controlling the rate of spermatogenesis? a.Sertoli cells b.Leydig cells c.Spermatogonium d.Spermatids
In cryptorchidism, one or both testes of an infant have not descended into the scrotal sac by the first birthday. In these cases, the testes are surgically descended. Why must the testes be descended if the later fertility of the child is to be maintained?
in your own words: Why are the testes located outside of the body of organisms?