Biology: How Life Works
Biology: How Life Works
3rd Edition
ISBN: 9781319017637
Author: James Morris, Daniel Hartl, Andrew Knoll, Melissa Michael, Robert Lue, Andrew Berry, Andrew Biewener, Brian Farrell, N. Michele Holbrook
Publisher: Macmillan Higher Education
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Chapter 19.4, Problem 12SAQ
Summary Introduction

To determine:

The phenotype of a flower in which APETALA 2 (activity A) and AGAMOUS (activity C) are expressed normally, but APETALA-3 and PISTILLATA (activity B) are expressed in four whorls.

Concept Introduction:

In ABC Model of flower A, B, C represents the function of protein or proteins that determines organ identity in each whorl. Activity A is encoded by gene APETALA-2, activity B is encoded by genes APETALA-3 and PISTILLATA and activity C is encoded by the gene AGAMOUS.

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