Examlex
The progressive movement at the turn of the century was an attempt by the upper middle class to reform the inner city.
Allele Frequency
The proportion of a specific allele in the population. Compare with genotype frequency and phenotype frequency.
Genetic Equilibrium
The condition of a population that is not undergoing evolutionary change (i.e., in which allele and genotype frequencies do not change from one generation to the next). See Hardy–Weinberg Principle.
Allele Frequencies
The proportion of various alleles of a gene in a population, which can change over time due to evolutionary pressures, genetic drift, mutation, and gene flow.
MN Blood Type
A blood group system classifying human blood based on the presence or absence of the M and N antigens on the surface of red blood cells.
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