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Meanings of genetic bottleneck in English
An evolutionary event in which a significant percentage of a population or species is killed or otherwise prevented from reproducing, and the population is reduced by 50% or more, often by several orders of magnitude.
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Examples for "population bottleneck"
Examples for "population bottleneck"
1
There was a real population bottleneck in our history.
2
A host population bottleneck therefore resulted in the exclusion of adult-acquired SIV and pegivirus from the Caribbean AGMs.
3
Hihi have experienced what she calls a " severe population bottleneck" which has caused a loss of genetic diversity.
4
We found evidence of a small population bottleneck and extensive use of ancestral variation often traceable to founders of cultivars from diverse geographic regions.
5
Mostly, that's because cheetahs have an unusual lack of genetic diversity, thanks to a population bottleneck 10,000 years ago.
Usage of genetic bottleneck in English
1
They have experienced what is known as population or genetic bottleneck.
2
Recent findings: Transmission of HIV-1 involves a reduction in viral diversity, supporting the concept of a genetic bottleneck.
3
What is known already: mtDNA inherits maternally through a genetic bottleneck, but the underlying mechanisms are largely unknown.
4
If you're talking about the genetic bottleneck after the explosion of Mount Toba, it only lasted twenty thousand years.
5
But when biologists looked at the genetic variability of the Alcedo tortoises, they discovered a genetic bottleneck, or narrowing of diversity, about 88,000 years ago.
6
The analyses suggest major genetic bottlenecks that have substantially shaped peach genome diversity.
7
We also found evidence of genetic bottlenecks during the glacial periods and gene flow during the interglacial expansions.
8
Helen explained genetic bottlenecks and inbreeding.
9
Bayesian structure analysis clustered six populations into two major groups, and genetic bottlenecks were found to have occurred in two populations (QG, BH).