Often different genes can interact in a way that influences the same trait. In the Blue-eyed Mary (Omphalodes verna), for example, there exists a gene with alleles that determine the color of flowers: blue or magenta. Another gene, however, controls whether the flowers have color at all or are white.
The regular price of buying miles from American is about 3.17 cents per mile ($29.50 per 1,000 miles plus a 7.5% Federal Excise Tax) â before a $30 Processing Charge per purchase â but with the maximum bonus offer, itâll actually drop your price down to just 2.02 cents per mile!
American Airlines Buy Miles offer. If you were to max out this promotion and buy 80,000 miles, you would be receiving 45,000 bonus miles for a total for 125,000 miles for $2360 which comes down to only 1.88 cents per mile.edeem 65,000 US Airways miles for American Airlines First Class between JFK-LAX. American Airlines Transcontinental First Class: Redeeming US Airways for American Airlines Transcontinental First Class between New York and Los Angeles is another good value, since American flies between JFK-LAX non-stop 13 times a day.