Life finds a way

Aguirre, J. Life finds a way. Nat Ecol Evol 6, 1599–1600 (2022).

Fitness landscapes were described almost a century ago as smooth surfaces with peaks and valleys that are difficult to navigate. Now, more realistic high-dimensional genotype–phenotype maps show that fitness maxima can be reached from almost any other phenotype while avoiding fitness valleys, which are very rare.

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