population bottleneck

event that reduces size and genetic variation of a population, followed by a size recovery

en-US/ˌpɑpjuˈleɪʃən ˈbɑdəlˌnɛk/
en-GB/ˌpɒpjʊˈleɪʃən ˈbɒtəlˌnɛk/

الفئات:

evolutionoccurrence