types of selection

• Types of selection

  directional,

  • stabilising,
  • disruptive
• What is directional selection

  selection that favors individuals that vary in one direction from the mean of the population eg antibiotic resistance
• What is stabilising selection?

  selection that favours more average individuals eg human birth weights
• What is disruptive selection

  describes changes in population genetics in which extreme values for a trait are favored over intermediate values

  • leads to speciation