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.
On average, Florida's Blood Centers charges the equivalent of $312 for every pint of blood it sells. Community Blood Centers' average is $310. But depending on the market, one unit can be worth a whole lot more. For example, the red blood cells can go for $229, platelets for $300 and plasma for $40 â nearly $570 in all. Drawdy, like most donors, does not think of his blood as a salable commodity.