
Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 43.1, Problem 2R
Summary Introduction
To review:
The generation of the gray crescent in the fertilized egg of the frog.
Introduction:
The cytoplasm of the egg rotates around 30 degrees with respect to the poles. This shows by the appearance of the light colored band, which is known as gray crescent. This is formed right opposite to the point from where the sperm enters into the sperm. Fertilization is a process occurs when sperm and eggs fuse together and give rise to an embryo.
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Life: The Science of Biology
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Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY