Talk:Stabilizing selection

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isnĀ“t purifying selection a form of directional selection, and thus cannot be the same as stabilizing selection?

Not as far as I can see in my text books on this topic. -- Kim van der Linde at venus 20:27, 26 May 2006 (UTC)

[edit] Birth weight

Asserting that the increase in C-sections has increased optimum birth weight is misleading, as increases in the incidence of high birth weight (due to increased incidence of maternal obesity and gestational diabetes) is a significant factor in the increase in C-sections.