SELECTION TYPES

• WHAT ARE SELECTION TYPES?

  how the environment chooses what frequencies increase/ decrease in the gene pool
• WHAT ARE THE TYPES OF SELECTION?

  directional, stabilising, disruptive
• WHAT IS DIRECTIONAL SELECTION?

  selection that favours individuals that vary in one direction from the mean of the population
• WHAT IS STABILISING SELECTION?

  selection that favours 'average' individuals
• WHAT IS DISRUPTIVE SELECTION?

  selection of both extremes of a population