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Mutation theory, Biology
MUTATION THEORY (Hugo de Vries 1901) -
New species are not formed by continuous variations but sudden appearance of variations i.e., mutation. Mutation are heritable and persist in successive generations.
Normal Plant Evening Primrose (
) About 50,000 specimens (Self pollination)
S OF MUTATION THEORY -
Mutation or sports or discontinuous variations are the raw material of evolution, which appear all of a sudden and heritable.
Mutants varieties are marked different from the parents and there are no intermediate stages between the two.
The same mutation appears again and again to increase the chances of selection by nature.
A single mutation may produce a new species.
Posted Date: 10/9/2012 1:27:21 AM | Location : United States
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