Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 18 - Test Your Understanding - Level 2 - Application/Analysis - Page 394: 7



Work Step by Step

B is the opposite of the correct answer, and C could be true from the information given but is not necessarily. D is wrong because bicoid leading to something forming does not mean that bicoid protein has to be in those things after they form.
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