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. Author manuscript; available in PMC: 2014 Mar 1.
Published in final edited form as: Evolution. 2012 Sep 27;67(3):908–917. doi: 10.1111/j.1558-5646.2012.01800.x

Table 1.

Relationship between genotype and fitness for overdominant and antagonistic selection models of balancing selection.

A1A1 A1A2 A2A2
Overdominant selection 1 − s1 1 1 − s2
Antagonistic selection
 Fitness context 1 1 1 − h1s1 1 − s1
 Fitness context 2 1 − s2 1 − h2s2 1