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Types Of Selection

Types Of Selection. Shravan Patel Action Jackson Burke. Relative Fitness. The contribution an individual makes to the gene pool of the next generation, which is relative to the contribution of other individuals.

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Types Of Selection

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  1. Types Of Selection Shravan Patel Action Jackson Burke

  2. Relative Fitness • The contribution an individual makes to the gene pool of the next generation, which is relative to the contribution of other individuals. It’s a type of fitness that is based of an entire genetic and environmental context.

  3. Directional selection • Occurs when conditions favor individuals exhibiting one extreme of a phenotypic range. • It shifts the frequency curve in one direction or the other.

  4. Disruptive Selection • Favors variants at both ends of the distribution . • The intermediate traits have a disadvantage.

  5. Stabilizing selection • Removes extreme variants from the population and preserves intermediate types.

  6. Sexual Selection • Individuals with certain inherited characteristics are more likely than other individuals to obtain a mates. • These birds know how to impress the ladies, but Jackson still doesn’t! • http://www.youtube.com/watch?v=CYcs73oeFkc

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