| 释义 |
group selection
group selection[¦grüp si¦lek·shən] (evolution) Selection in which changes in gene frequency are brought about by the differential extinction and proliferation of the local population. group selection
group selection a process whereby selection supposedly operates on a unit consisting of two or more individuals of a group so that characters which are beneficial to the group (as opposed to an individual) are selected. The concept is somewhat dubious and generally unaccepted. |