Homozygous dominate refers to two alleles from a parental generation that are the same (not Heterozygous) and also dominant (not recessive). Let's set up a Punnett square for an example. .... (P) (p)...
The dominant plants of the desert biomes would depend on what desert you are referring to. In the Mojave, for instance, the more dominant plants would be cacti, mesquite trees and Joshua trees. In...