<span>Stabilization Selection
In Stabilization Selection there is a decrease in the amount of variation. In the case of Stabilization Selection, selective pressures must select against two extremes of a particular trait. Two opposing selection pressures will combine to maintain a median height. Rather than resulting in extremely tall plants or extremely short plants, the majority of the plants in this population will be of medium height.</span>
object
it is object in the gaps.
hope this helps:)
The Punnet Square is used to determine the genotype and phenotype
The physiological process which explains the principles is mitosis b.