Which type of mutation is responsible for new variations of a trait?

The type of mutation that is responsible for new variations of a trait is the point, missense mutation.

In consequence, the type of mutation that is responsible for new variations of a trait is the point, missense mutation.

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answer; ///(b) it is composed of four protein chains and four heme groups;

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides