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.
For INR testing, only a small amount of blood needs to be applied to a test strip (for CoaguChekÂ®XS and INRatioÂ®), only one small to large blood drop. Prices for the machines are roughly between $1,500 and $2,500, and prices for one test strip, i.e. for one INR test, $7.00 â $18.00.