Hereford bull. 1. Angus The Angus breed was first imported to Victoria, Kan., from Scotland in 1873, since becoming the most dominant beef cattle breed in the U.S. The American Angus Association claims that Angus and Angus-cross cattle make up more than 60 percent of our commercial cowherd.
From Wikipedia, the free encyclopedia. Allele frequency, or gene frequency, is the relative frequency of an allele (variant of a gene) at a particular locus in a population, expressed as a fraction or percentage. Specifically, it is the fraction of all chromosomes in the population that carry that allele.
Frequency Wavelength Conversion. Frequency Wavelength - Conversion. Frequency is the number of occurrences of a repeating event per unit time, also referred to as temporal frequency. In physics and engineering disciplines, such as optics, radio, and acoustics, frequency is commonly denoted by a Latin letter f or by the Greek letter v (nu).