The original DNA gene for a certain protein reads “TTC CAT GGG GAC." The mutated version of this gene reads “TTC CGT GGG GAC." This type of mutation is best described as... A frameshift mutation
A silent mutation
An addition mutation
A substitution mutation

Which statement best describes the relationship between an allele and a gene? question 1 a. an allele is a variation of a gene that can be expressed as a phenotype. b. an allele is the part of a gene that attaches to messenger rna molecules. c. an allele is a segment of a dna molecule that controls replication of a gene.

What processes take place before the mature mrna exits the nucleus?

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