The right matches are
Dominant ==> 3
Gene ==> 1
Phenotype ==> 4
Genotype ==> 2
Genotype is the whole genetic inheritance of a person inherited from his ascendants.
The gene is a part of the chromosome that conditions the transmission of a hereditary trait.
Dominance is the quality of a gene that dominates any gene in the pair.
The phenotype is the set of apparent characters of an individual, corresponding to a realization of the genotype.