Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Chapter 46, Problem 6TYU
Summary Introduction

Introduction:

Estrus cycle occurs in mammalian females. It comprises the recurring physiological changes that are induced by reproductive hormones. It occurs after sexual maturity and continues till death and is interrupted by anestrus phase or pregnancy. Some animals may display bloody vaginal discharge, but it often mistaken for menstrual cycle.

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Which of the following statements about reproduction in humans is correct? (a) Fertilisation takes place externally. (b) Fertilisation takes place in the testes. (c) During fertilisation egg moves towards the sperm. (d) Fertilisation takes place in the human female.
|(A) Humans have some rather unique features to our reproductive behavior. One strange one, relative to other animals, is female menopause. What might be the selective advantage to this feature? (B) What selective forces may have led to the evolution of menopause in humans?
Which statement about human reproduction is false?(A) Fertilization occurs in the oviduct.(B) Spermatogenesis and oogenesis require differenttemperatures.(C) An oocyte completes meiosis after a sperm penetrates it.(D) The earliest stages of spermatogenesis occur closest to thelumen of the seminiferous tubules.

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Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)

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