Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 54 - Behavioral Biology - Figure 54.3 - Data Analysis: 1

Answer

About 80 (140 for the seventh generation minus 60 in the parental generation).

Work Step by Step

Use the graph, being careful to note that the x-axis is not linear, for the center of the two curves discussed in the question. Subtract to find the difference between them.
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