Launchpad For Principles Of Life (twenty-four Months Access)
Launchpad For Principles Of Life (twenty-four Months Access)
3rd Edition
ISBN: 9781319249434
Author: David M. Hillis, Mary V. Price, Richard W. Hill, David W. Hall, Marta J. Laskowski
Publisher: W. H. Freeman
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Chapter 34, Problem 1.1Q
Summary Introduction

To determine: The difference between accessory reproductive organs and secondary sexual characteristics.

Introduction: The mechanism by which the genes of two individuals are combined to produce offspring is called sex. Gametes are the specific cells that are produced by each parent during sexual reproduction.

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In sexually reproducing animals, males and females are differentiated on the basis of primary reproductive organs, accessory reproductive organs, and secondary sexual characteristics. Following are the differences between accessory reproductive organs and secondary sexual characteristics:

No.CriteriaAccessory reproductive organsSecondary sexual characteristics
1.DefinitionThe accessory organs are the reproductive organs other than gonads that differ in males and females.The secondary sexual characteristics are properties of nonreproductive tissues and organs that differ in males and females.
2.ExamplesIn human males, penis, vas deferens, and the other sperm carrying ducts out of the testes are the accessory reproductive organs.In human males, facial hair, chest hair, and a deep voice are secondary sexual characteristics.

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Reproduction: Crash Course Zoology #9; Author: CrashCourse;https://www.youtube.com/watch?v=poLyJDVjKlM;License: Standard youtube license