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.
Square Box. The square box is the most common type of washers pit. The popularity of this pit is due to the simplicity of the design as well as ability to travel with the box and set up a game easily. The box can vary in size. The basic design calls for a 16x16 piece of plywood to be used as the base.