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Related to lethal mutation: neutral mutation, Conditional lethal mutation

MUTATION, French law. This term is synonymous with change, and is particularly applied to designate the change which takes place in the property of a thing in its transmission from one person to another; permutation therefore happens when, the owner of the thing sells, exchanges or gives it. It is nearly synonymous with transfer. (q.v.) Merl. Repert. h.t.

References in periodicals archive ?
We don't yet understand why the number of recessive lethal mutations might be relatively constant across distantly related organisms," said Gao.
London, July 29 ( ANI ): Two researchers have claimed that the bugs are now developing potentially lethal mutations in order to beat domestic cleaning agents that have been designed to kill them.
Expression of delayed toxicity and lethal mutations in the progeny of human cells surviving exposure to radiation and other environmental mutagens.