Examlex
During the Nullification Crisis of 1833, South Carolina and several northern states attempted to nullify key provisions of FDR's New Deal.
Fixing Beneficial Allele
The process by which a beneficial genetic variation becomes established, or fixed, in a population, often leading to evolutionary advantages.
Starting Frequency
Refers to the initial proportion or occurrence rate of a particular genetic variant or allele within a population at the beginning of a specified period.
Excess Fitness
The additional reproductive success of individuals with a certain genotype compared to the average reproductive success in the population.
Population Structure
The composition and spatial distribution of genetic variation within and between populations, influenced by factors like migration, mating patterns, and natural selection.
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