lecture9+Evolution+by+natural+selection

Dierent ends charles darwin the voyage of the beagle

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Unformatted text preview: trait varia:on explained by inheritance Possible range from 0 - 1 0: all varia:on is environmental 1: all varia:on is gene:c Predic:ng evolu:onary change: the breeders’ equa:on 2S R = h Evolu:onary response Heritability Selec:on differen:al 2S R = h Parental genera:on Before selec:on Evolu:onary response Offspring genera:on AYer selec:on For example: real- :me evolu:on in one of Darwin’s finches "One might really fancy that, from an original paucity of birds in this archipelago, one species had been taken and modified for different ends.” Charles Darwin, The Voyage of the Beagle (1839) For example: evolu:on of beak size in one of Darwin’s finches "One might really fancy that, from an original paucity of birds in this archipelago, one species had been taken and modified for different...
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This document was uploaded on 02/19/2014.

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