EBK PRINCIPLES OF BIOLOGY
EBK PRINCIPLES OF BIOLOGY
2nd Edition
ISBN: 8220103675338
Author: BROOKER
Publisher: YUZU
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Chapter 19, Problem 6TY
Summary Introduction

Introduction:

The presence of two or more variants in the given population for the same character is termed as the polymorphism. The cause of the polymorphism is the presence of two or more alleles for a single trait and influence of these alleles on the characters. Polymorphism is also used to describe the variation in DNA strands of species of the same population.

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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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