Artificial Selection. Humans deliberately breed together organisms with desired traits. They provide an artificial “selection pressure”. This can lead.

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Presentation transcript:

Artificial Selection

Humans deliberately breed together organisms with desired traits. They provide an artificial “selection pressure”. This can lead to a great divergence from “wildtype” traits. Traits that are non-adaptive in the wildtype may be expressed in the domestic version.

Examples of artificial selection Domestication of: wolves, cats, horses, cows, chickens, pigeons etc. Wheat, corn, mustard plants, apples, ornamental flowers. Accidently artificial selection: bacteria that become resistant to antibiotics, smaller fish

Mustard family

The Mustard Family

Corn

Wheat

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