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!
The average price, minus the agreed base fuel price, is divided by miles per gallon equates the fuel surcharge rate. For example, suppose the current price of fuel is $2.50 per gallon, fuel mileage is 6 mpg and base fuel price is $1.20.