Pre-Parturient Mare Behavior. Mares will generally foal after an 11-month gestation, but this is highly variable. Studies have shown a range of gestation from 315 to 387 days, with an average of about 341 days.
Punnett squares are most commonly used to examine genotype probabilities from one genetic locus at a time. They can be used to look at more than one locus at time, but some find the resulting diagrams complicated and difficult to interpret.
Rubber gaskets used in plumbing are sometimes called washers. Different types of washers have different uses. Star washers are helpful when the material is soft enough to allow the washer to adhere. Flat washers are used to disburse the compression of the nut or bolt smoothly. This lessens the possibility of damage and offers a flat space for the nut or bolt to stay, meaning it will be more likely to stay in one place.