Biological Science
Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 23, Problem 7TYU
Summary Introduction

To review:

The reason for the difference in the size of the eggs of the frog and a mouse even when they are more or less of the same size.

Introduction:

Frog is an amphibian organism, that lives in water as well as on land. The mouse, on the other hand, is a terrestrial animal (a mammal), which falls under the category of rodents. Fertilization in mammals and aquatic animals takes place in different ways.

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You aim to test the hypothesis that the Tbx4 and Tbx5 genes inhibit each other's expression during limb development. With access to chicken embryos and viruses capable of overexpressing Tbx4 and Tbx5, describe an experiment to investigate whether these genes suppress each other's expression in the limb buds. What results would you expect if they do repress each other? What results would you expect if they do not repress each other?
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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