Examlex
Janet has cardiovascular disease.Her doctor detected high blood pressure and high blood cholesterol.To relieve arterial blockage,Janet had __________,a procedure in which a surgeon threaded a needle-thin catheter into her arteries and inflated a balloon at its tip.
Founder Effect
A genetic phenomenon that occurs when a new population is established by a very small number of individuals, leading to a reduction in genetic variation.
Genetic Flow
The transfer of genetic material between populations of the same species or between different species, leading to changes in genetic makeup.
Genetic Drift
A mechanism of evolution involving random fluctuations in the frequency of alleles within a population, which can cause genetic variation to decrease over time.
Bottleneck
A sudden decrease in a population size caused by adverse environmental factors; may result in genetic drift; also called genetic bottleneck or population bottleneck.
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