What is the relationship between dna, chromosomes, genes, alleles, dominant, recessive, and trait?

Chromosomes are made of condensed coils of DNA. Genes are segments on a chromosome that carry the code for a specific trait. Alleles are contrasting forms of a gene. Dominant means that a particular trait will be visible. Recessive means that a trait will be hidden (unless it is paired with another recessive gene). A trait is how the gene is seen. For example, eye color is a trait.

The answer should be geothermal i hope i’m right message me if i’m wrong and i’ll change my answer and fix it for you

Mg is used to measure mass