Examlex
Twice per year, when day and night are equal in length, the Sun is at one of two positions in the sky known as equinoxes. These points are the intersections of which two planes in the sky?
Hardy-Weinberg Principle
A fundamental principle in genetics that explains how genetic variation remains constant from one generation to the next in an idealized population.
Frequency Dependent Selection
A form of natural selection where the fitness of a phenotype depends on its frequency relative to other phenotypes in the population.
Sickle Cell Anemia
A genetic blood disorder caused by an abnormality in the hemoglobin protein, leading to misshapen red blood cells that can cause blockages and complications.
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.
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