TABLE B1

The sign of Embedded Image at five critical points under three selection schemes

g(−∞)g(−1)g(0)g(1)g (+∞)
Overdominance (w12 > w11,w22)
Embedded Image +++
Embedded Image ++0+
Embedded Image ++++
Underdominance (w12 < w11, w22)
++
Directional selection (w11 < w12 < w22)
Embedded Image ++