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Unit 1:
Ch. 1
Ch. 2
Ch. 3
Interlude A
Unit 2:
Ch. 4
Ch. 5
Ch. 6
Ch. 7
Ch. 8
Ch. 9
Interlude B
Unit 3:
Ch. 10
Ch. 11
Ch. 12
Ch. 13
Ch. 14
Ch. 15
Interlude C
Unit 4:
Ch. 16
Ch. 17
Ch. 18
Ch. 19
Interlude D
Unit 5:
Ch. 20
Ch. 21
Ch. 22
Ch. 23
Ch. 24
Ch. 25
Interlude E
The animations require the latest Flash 7 and Shockwave plug-ins.
17.1: Tutorial: Gene flow

This tutorial explores how new alleles can be introduced into populations as individuals move from one population to another.

17.2: Activity: The Hardy-Weinberg equation and the Punnett Square

ThumbnailApply the Hardy-Weinberg equation to a population in equilibrium.

17.3: Activity: The three models of natural selection

Test your recall for figure 17.7 with this key figure labeling exercise.

17.4: Tutorial: The crisis in antibiotic resistance

This tutorial explores the reasons why bacteria are becoming resistant to many of the antibiotics in our medical arsenal.

17.1: Process Animation: The Hardy-Weinberg Equation

View animation

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