TY - RPRT TI - Generation of Variation and Mean Fitness Increase: Necessity is the Mother of Genetic Invention AU - Ram, Y. AU - Altenberg, L. AU - Liberman, U. AU - Feldman, M. W. PY - 2017 DO - 10.1101/229351 UR - https://www.biorxiv.org/content/10.1101/229351v1 ID - 10.1101/229351 ER -