A population bottleneck
is an event in which a population undergoes a considerable decrease in size.
This population bottleneck
, along with their tendency to marry within the population may have caused some traits or alleles to be more common in a process known as genetic drift.
There is a population bottleneck
between Africa and the rest of the world; very few people were involved in the initial migration from Africa," Brandt says.
7 Myr ago, the panda population began to decline due to the two largest Pleistocene glaciations happened in China, and its first population bottleneck
occurred at about 0.
An empirical genetic assessment of the severity of northern elephant seal population bottleneck
Yellow-billed magpies may be at risk of a decline and population bottleneck
The micorsatellite data were examined for evidence of a population bottleneck
using BOTTLENECK version 1.
First, we wanted to determine if Sumgayit populations exhibit reduced levels of genetic diversity that could be the result of a population bottleneck
Those authors concluded that genetie drift associated with a severe population bottleneck
(reduction in population size) in Sweden in the 19th century was a probable cause of the observed lack of diversity.
number of ancestors) or a population bottleneck
(in which some outside
The outplanting program, however, has unintentionally resulted in a major population bottleneck
The genetic data suggest an ancient population bottleneck
in which animal numbers shrank and then expanded once conditions improved, says anthropological geneticist Natasha Arora of the University of Zurich.