Anatomy & Physiology: The Unity of Form and Function
9th Edition
ISBN: 9781260791563
Author: Kenneth S. Saladin
Publisher: Mcgraw-hill Higher Education (us)
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 27.4, Problem 2AYLO
Why meiosis is necessary in sexually reproducing species, how it affects the chromosome number of gametes, and why chromosome number remains constant from one generation to the next
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Comparison and contrast of meiosis 1 and meiosis 2. In which organisms does it miosis occur? Mitosis in which organisms does it occur?
How meiosis can generate three kinds of tetrads when two genes are on different chromosome
Mitosis
Meiosis
Definition of the process
Chromosome number of the parent cell
Number of division undergone by the parent cell
Number of daughter cells produced by a parent cell
Chromosome number of the daughter cells
Chapter 27 Solutions
Anatomy & Physiology: The Unity of Form and Function
Ch. 27.1 - Essential characteristics of sexual reproduction;...Ch. 27.1 - Multiple functions of the male and female...Ch. 27.1 - Prob. 3AYLOCh. 27.1 - Prob. 4AYLOCh. 27.1 - Prob. 5AYLOCh. 27.1 - Fates of the mesonephric and paramesonephric ducts...Ch. 27.1 - Structures of the embryonic genital tubercle,...Ch. 27.1 - Prob. 8AYLOCh. 27.2 - Anatomy and functions of the scrotum and spermatic...Ch. 27.2 - Prob. 2AYLO
Ch. 27.2 - Prob. 3AYLOCh. 27.2 - The germinal epithelium of the seminiferous...Ch. 27.2 - The arterial supply and venous drainage of the...Ch. 27.2 - Gross anatomy of the epididymis; the series of...Ch. 27.2 - Three sets of male accessory glands: their...Ch. 27.2 - Prob. 8AYLOCh. 27.2 - Prob. 9AYLOCh. 27.3 - Definitions of puberty and adolescence; the...Ch. 27.3 - Prob. 2AYLOCh. 27.3 - Prob. 3AYLOCh. 27.3 - Prob. 4AYLOCh. 27.3 - Changes in the levels of testosterone, inhibin,...Ch. 27.3 - Prob. 6AYLOCh. 27.4 - Prob. 1AYLOCh. 27.4 - Why meiosis is necessary in sexually reproducing...Ch. 27.4 - Prob. 3AYLOCh. 27.4 - Prob. 4AYLOCh. 27.4 - The origin of primordial germ cells, their...Ch. 27.4 - Prob. 6AYLOCh. 27.4 - Prob. 7AYLOCh. 27.4 - Prob. 8AYLOCh. 27.4 - Prob. 9AYLOCh. 27.4 - Prob. 10AYLOCh. 27.4 - Prob. 11AYLOCh. 27.5 - Blood vessels of the penis and how they function...Ch. 27.5 - Prob. 2AYLOCh. 27.5 - Prob. 3AYLOCh. 27.5 - The mechanism of erection including the roles of...Ch. 27.5 - The physiological state of the male in the plateau...Ch. 27.5 - Prob. 6AYLOCh. 27.5 - Prob. 7AYLOCh. 27 - The ductus deferens develops from the _______.of...Ch. 27 - The protein that clots and causes the stickiness...Ch. 27 - The expulsion of semen occurs when the...Ch. 27 - Prob. 4TYRCh. 27 - The penis is attached to the pubic arch by crura...Ch. 27 - The first hormone secreted at the onset of puberty...Ch. 27 - Prob. 7TYRCh. 27 - Four spermatozoa arise from each a. primordial...Ch. 27 - The point in meiosis at which sister chromatids...Ch. 27 - Blood is forced out of the penile lacunae by...Ch. 27 - Prob. 11TYRCh. 27 - Prob. 12TYRCh. 27 - Prob. 13TYRCh. 27 - Prob. 14TYRCh. 27 - Prob. 15TYRCh. 27 - Prob. 16TYRCh. 27 - Prob. 17TYRCh. 27 - Prob. 18TYRCh. 27 - Erection of the penis occurs when nitric oxide...Ch. 27 - A sperm penetrates the egg by means of enzymes in...Ch. 27 - crypto-Ch. 27 - Prob. 2BYMVCh. 27 - Prob. 3BYMVCh. 27 - Prob. 4BYMVCh. 27 - Prob. 5BYMVCh. 27 - meio-Ch. 27 - Prob. 7BYMVCh. 27 - Prob. 8BYMVCh. 27 - someCh. 27 - Prob. 10BYMVCh. 27 - Testosterone is secreted by the nurse cells of the...Ch. 27 - Prob. 2WWTSCh. 27 - Prob. 3WWTSCh. 27 - Prob. 4WWTSCh. 27 - A high testosterone level makes a fetus develop a...Ch. 27 - Prob. 6WWTSCh. 27 - Prob. 7WWTSCh. 27 - Prob. 8WWTSCh. 27 - Male menopause is the cessation of sperm...Ch. 27 - Prob. 10WWTSCh. 27 - Prob. 1TYCCh. 27 - Prob. 2TYCCh. 27 - Prob. 3TYCCh. 27 - Why is it possible for spermatogonia to be outside...Ch. 27 - A 68-year-old man taking medication for...
Additional Science Textbook Solutions
Find more solutions based on key concepts
Identify me theme or themes exemplified by (a) the sharp quills of a porcupine (b) the development of a multice...
Campbell Biology in Focus
2. Why is it that the range of resting blood pressures of humans is best represented by a bell-shaped curve co...
Human Biology: Concepts and Current Issues (8th Edition)
What is the difference between histology and radiography?
Human Anatomy (8th Edition)
What are the cervical and lumbar enlargements?
Principles of Anatomy and Physiology
Explain why hyperthermophiles do not cause disease in humans.
Microbiology with Diseases by Taxonomy (5th Edition)
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
- why Triploid Organisms Are Usually Infertilearrow_forwardHuman haploid gametes (sperm and eggs) contain: a. 46 chromosomes, 46 chromatids b. 46 chromosomes, 23 chromatids c. 23 chromosomes, 46 chromatids d. 23 chromosomes, 23 chromatidsarrow_forwardmeiosis leads to a diploid cell in a life cycle, true or falsearrow_forward
- A sexually reproducing organism has a haploid number of 4, consisting of two metacentric chromosomes and 2 telocentric chromosomes. Diagrammatically show the primary meiocyte in metaphase I, and the results of meiosis I and meiosis II.arrow_forwardWhich if the following is not a source of genetic variation in meiosis? tetrad formation migration of centrioles crossing over the random lining up of chromosomes on the metaphase plate independent sorting of alleles into gametesarrow_forwardHow to distinguish and count how many chromosomes vs. chromatids are present in a cell and if the chromosomes are replicated or unreplicated during both Meiosis I and Meiosis II.arrow_forward
- A Stage in Meiosis 1. 2 3 Match the diagram with the correct term listed below. Structures Number Homologous chromosomes Sister chromatids Allele Gene 4-arrow_forwardMitosis and meiosis are both important processes of cell division in the life cycle of a sexual organism.Discuss why both processes are necessary?arrow_forwardSex cells (pollen, egg, sperm) are made by the process called: Meiosis Mitosisarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage LearningHuman Heredity: Principles and Issues (MindTap Co...BiologyISBN:9781305251052Author:Michael CummingsPublisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Human Heredity: Principles and Issues (MindTap Co...
Biology
ISBN:9781305251052
Author:Michael Cummings
Publisher:Cengage Learning
The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY