Ionic compound means a metal bonds with a nonmetal.
<span>KBr Potassium Bromide, metal and nonmetal. (Ionic) </span> <span>SO2 Sulphur Di-oxide, nonmetals (covalent) </span> <span>FeCl3, Metal and nonmetal (Ionic) </span>
Because the genotype means the genetic make-up of the cell, so saying that the genes of the plant are homozygous dominant show this genetic make-up of the plant.