Human genetic variation is the genetic differences both within and among populations. There may be multiple variants of any given gene in the human population (genes), leading to polymorphism. Many genes are not polymorphic, meaning that only a single allele is present in the population: the gene is then said to be fixed.
Expense of the blood glucose test strips. Over time, test strips are often the most expensive part of monitoring your blood sugar, so keep in mind the cost of compatible strips when choosing your glucose monitor. On average, glucose test strips range from 35Â¢ to $1.00 each.
Unit prices have been estimated to range between $0.10 and $1.20 per linear foot (about $500 to $6000 per mile). In general, contracts where rumble strip installation is the primary item are lower in unit cost than other contracts.owever, Montana DOT regularly chip seals and then mills rumble strips. Where the depth of the existing rumble strip is 5 â 8  (or greater), Montana DOT can perform the chip seal and not have to re-mill the rumble strips. Where existing rumble strip depth is 3 â 8  (or less), the DOT re-mills the rumble strips.