BIOLOGY THE ESSENTIALS CONNECT ONLY
BIOLOGY THE ESSENTIALS CONNECT ONLY
3rd Edition
ISBN: 9781264735433
Author: Hoefnagels
Publisher: McGrawHill
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Chapter 10.7, Problem 3MC
Summary Introduction

To determine:

The reason for inactivation of X chromosome in the mammalian females.

Introduction:

Mammals are the vertebrate having mammary glands as one of their main characteristics which differentiate mammals from other groups. Mammalian females have developed mammary glands which are essential for the nourishment of the baby.

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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?
You decide to delete Fgf4 and Fgf8 specifically in the limb bud. Explain why you would not knock out these genes in the entire embryo instead.
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BIOLOGY THE ESSENTIALS CONNECT ONLY

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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY