Inquiry into Life
Inquiry into Life
14th Edition
ISBN: 9780073525525
Author: Mader, Sylvia S./
Publisher: McGraw-Hill College
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Chapter 22, Problem S5.4BYB
Summary Introduction

To determine:

The mechanism of meiosis that results in haploid gametes production.

Introduction:

Meiosis is a type of cell division that causes the formation of gametes. In this process, the number of chromosomes is decreased into half of the initial chromosome number, which makes up the haploid gametes.

Expert Solution & Answer
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Explanation of Solution

An animal is multicellular organism and contains a diploid number of chromosomes, which is each parent cell contains a diploid number of chromosomes. In order to produce haploid gametes, the division of cell should be in such a manner that half of the number of chromosome or each copy of a chromosome is present in daughter cell.

The meiosis is divided in two phases, meiosis I and meiosis II. The Meiosis I is the reductional division and in the metaphase I of meiosis I, the sister chromatids containing identical genes are separated, which result in formation of the haploid cells.

So, the parent cell which contains a diploid number of chromosomes undergoes meiosis that is reduction division. This results in gamete production which is haploid in nature containing half number of chromosomes to that of the parent chromosome.

Both male and female produce gametes haploid gametes. Only gamete production stage in animals is the phase which is haploid in nature. Now, when male and female gametes fuse they again produce a diploid zygote.

Conclusion

By reductional division durinng meiosis I, haploid gametes are produced containing half number of parent chromosome.

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Chapter 22 Solutions

Inquiry into Life

Ch. 22.1 - Identify the organ system that are formed from...Ch. 22.2 - Explain how cellular differentiation and...Ch. 22.2 - Explain how cytoplasmic segregation and induction...Ch. 22.2 - Describe how morphogen genes, homeotic genes and...Ch. 22.2 - Describe two process that are associated with...Ch. 22.2 - Define the term “morphogen”.Ch. 22.2 - Explain the function of the homeobox sequence in a...Ch. 22.3 - Identify the extraembryonic membranes and provide...Ch. 22.3 - Summarize in chronological order, the major events...Ch. 22.3 - Describe the flow of blood in a fetus and explain...Ch. 22.3 - Prob. 1CYPCh. 22.3 - Summarize the major events by month during fetal...Ch. 22.3 - Describe the path of blood flow in the fetus...Ch. 22.3 - Explain the function of the placenta.Ch. 22.4 - Describe changes that occur in Indian psychology...Ch. 22.4 - Outline the stages of birth.Ch. 22.4 - Summarize the advantages of breast-feedingCh. 22.4 - Describe the psychological changes that occur in a...Ch. 22.4 - Identify the stage of parturition in which the...Ch. 22.4 - Define colostrum, and least three advantage of...Ch. 22.4 - Prob. 1QTCCh. 22.4 - Prob. 2QTCCh. 22.4 - Prob. 3QTCCh. 22.5 - Prob. 1LOCh. 22.5 - Prob. 2LOCh. 22.5 - Explain how telomeres influence cellular aging.Ch. 22.5 - Summarize how that may contribute to aging.Ch. 22.5 - Summarize the diseases that are associated with...Ch. 22.5 - Prob. 4CYPCh. 22 - Prob. S5.4BYBCh. 22 - Figure 21.3 and 21.7 What are the difference...Ch. 22 - Section 21.2 and 21.3 Where does fertilization...Ch. 22 - Prob. 1CSCh. 22 - Prob. 2CSCh. 22 - Prob. 1ACh. 22 - Prob. 2ACh. 22 - Prob. 3ACh. 22 - Prob. 4ACh. 22 - Prob. 5ACh. 22 - Prob. 6ACh. 22 - Prob. 7ACh. 22 - Prob. 8ACh. 22 - Prob. 9ACh. 22 - Prob. 10ACh. 22 - Prob. 11ACh. 22 - Prob. 12ACh. 22 - Prob. 13ACh. 22 - Prob. 14ACh. 22 - Prob. 15ACh. 22 - Mitochondria contain their own genetic material....Ch. 22 - Prob. 2TCCh. 22 - Prob. 3TC
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license