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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332

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Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
Publisher: Cengage Learning
ISBN: 9781337408332
Chapter 25, Problem 3CT
Textbook Problem
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Why is it more difficult to determine the sex of a newly hatched canary than a newborn puppy?

Summary Introduction

To explain: The reason why it is difficult to determine the sex of a newly hatched canary than a newborn puppy.

Concept introduction: The sexual characteristics are those that help to distinguish between male and female sex. The sexual characteristics are both morphological and anatomical and vary between species and classes.

Explanation of Solution

The canary is a bird that belongs to Class: Aves. The puppy is the youngling of a dog, a canine that belongs to Class: Mammalia. The mammals have primary and secondary sexual characteristics. The primary sexual characteristics are testis for males and ovaries for females. The secondary sexual characteristics are penis and scrotum in the case of males and mammary glands in the case of females...

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