Disruptive selection is one of three main forms of natural selection. In disruptive selection, extremes of visible characteristics or traits (phenotypes) enjoy a greater reproductive success than do intermediate characteristics or traits. Because it is...

Disruptive selection is a special form of directional selection. By choosing two phenotypic extremes within a population, successive breeding can be carried out to produce two discontinuous strains. For example, if a plant breeder breeds the longest...

Suppose there is a population of rabbits. The color of the rabbits is governed by two incompletely dominant traits: black fur represented by “B” and white fur represented by “b”. A rabbit with the genotype of “BB” would have a phenotype of...

INTRODUCTION Research on marital stability among African Americans has a long history, dating back to the time of DuBois (1899). Ruggles (1997) documents that the marital disruption rates of African Americans have been substantially higher than Whites' since at least the late...

Byline: Jerry Seper, THE WASHINGTON TIMES Admitted al Qaeda terrorist Zacarias Moussaoui was barred yesterday from the federal courtroom where jurors are being selected for the sentencing phase of the death-penalty case after he again disrupted the proceedings. U.S. District Judge...