stabilising selection Flashcards

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1
Q

Stabilising selection is

A

natural selection that keeps allele frequencies relatively constant over generations

This means things stay as they are unless there is a change in the environment

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2
Q

example classic example of stabilising selection can be seen in human birth weights

Very-low and very-high birth weights are selected against leading to the maintenance of the intermediate birth weights

A
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3
Q

Stabilising selection selects which phenotypes

A

Stabilising selection selects against the extreme phenotypes (high and low birth weights) and selects for the intermediate phenotypes (medium birth weights)

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