释义 |
genetic isolation
genetic isolation[jə¦ned·ik īs·əl′ā·shən] (genetics) The absence of genetic exchange between populations or species as a result of geographic separation or of mechanisms that prevent reproduction. genetic isolation
genetic isolation a physiological form of ISOLATION in which hybrids from two different species are unable to produce fertile GAMETES and thus are sterile. For example, a horse crossed with a donkey produces a sterile mule. |