heterochronic mutation

heterochronic mutation

[¦hed·ə·rə‚krä·nik myü′tā·shən]
(genetics)
A mutation that perturbs the relative timing of events during postembryonic development.
References in periodicals archive ?
In several species, heterochronic mutations are known to change the phase length and/or the timing of the switch.
Heterochronic mutations affecting shoot development in maize.