Why is a dominant acele called dominant​

of the diatonic scale. It is called the dominant because it is next in importance to the first scale degree, the tonic. In the movable do solfège system, the dominant note is sung as "So(l)".

Explanation:

The 5th chord found in a scale is known as the dominant, because it is the "most important" interval (among other things, it's the first harmonic other than the octave). The dominant is also spelled in roman numeral, like this: V. A dominant seventh chord is a chord built upon the dominant of a major diatonic scale.

Dominance is a relationship between two alleles of a gene and their associated phenotypes.

A "dominant" allele is dominant to a particular allele of the same gene that can be inferred from the context, but it may be recessive to a third allele, and codominant (both appear in the organism) to a fourth.

good luck, i hope this helps :)

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