: 11 The later definition by Cavalli-Sforza & Bodmer (1971) is currently used: Genetic polymorphism is the occurrence in the same population of two or more alleles at one locus, each with appreciable frequency, where the minimum frequency is typically taken as 1%.
The financial world splits up its calendar into four quarters, each three months long. If January to March is the first quarter, April to June is the second quarter, and so on, though a company's first quarter does not have to begin in January.
Confidence votes 184. One 1964 or earlier silver quarter= 0.1808 of an ounce of silver. So, it takes about 6 90% silver quarters to make one ounce of silver. 6 silver quarters= 1.0851 ounces. + 125 others found this useful.