Regions of NSW were recently impacted by increased populations of mice. Mice first reproduce from 6-8 weeks of age, then breed every 3 weeks. Warfarin is a poison used in mice baits. Over a 4-year period, data was collected about the percentage of Warfarin-resistant mice in the population. Warfarin was used during Year 2. This data can be seen in Figure 1. Figure 1. Warfarin resistant mice in a population 100 80
Regions of NSW were recently impacted by increased populations of mice. Mice first reproduce from 6-8 weeks of age, then breed every 3 weeks. Warfarin is a poison used in mice baits. Over a 4-year period, data was collected about the percentage of Warfarin-resistant mice in the population. Warfarin was used during Year 2. This data can be seen in Figure 1. Figure 1. Warfarin resistant mice in a population 100 80
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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Transcribed Image Text:Regions of NSW were recently impacted by increased populations of mice. Mice first
reproduce from 6-8 weeks of age, then breed every 3 weeks.
Warfarin is a poison used in mice baits. Over a 4-year period, data was collected about the
percentage of Warfarin-resistant mice in the population. Warfarin was used during Year 2.
This data can be seen in Figure 1.
Figure 1. Warfarin resistant mice in a population
percentage of
resistant
individuals
100
80
60
40
20
0
I
1
T
Year 1
Year 2
start
warfarin
➜
Year 3
end
warfarin
Year 4
Transcribed Image Text:(a)
Explain why the percentage of resistant mice increased during Year 2.
(b) Using the data in Figure 1, explain what can be concluded about the selective advantage
to a mouse of being Warfarin-resistant compared to being non-resistant in an
environment with no Warfarin.
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