Translated version
Bottleneck effect
A form of genetic drift in which the gene pool of surviving individuals no longer reflects the genetic diversity of the original population due to a sudden and drastic reduction in population size (e.g., due to a natural disaster).
Original version
Butelio kaklelio efektas
Genų dreifo forma, kai dėl staigaus ir drastiško populiacijos sumažėjimo (pvz., dėl gamtos katastrofos) išlikusių individų genų fondas nebeatspindi pradinės populiacijos genetinės įvairovės.
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