"dominant" in the noun sense
music) the fifth note of the diatonic scale
2. dominant allele, dominant
an allele that produces the same phenotype whether its paired allele is identical or different
"dominant" in the adjective sense
exercising influence or control
"television plays a dominant role in molding public opinion"
"the dominant partner in the marriage"
of genes) producing the same phenotype whether its allele is identical or dissimilar
3. prevailing, prevalent, predominant, dominant, rife
most frequent or common
Source: WordNet® (An amazing lexical database of English)
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