which of the following statements describe mutations? point mutations can occur in any dna sequence. frameshift mutations can occur in any dna sequence. neutral mutations depend on the degeneracy of the genetic code. deleterious mutations occur only in protein-coding sequences of dna.

Respuesta :

The degeneracy of the genetic code is necessary for neutral mutations.

Neutral mutation is defined as change in nucleotide which is neither detrimental nor beneficial. Because there is change in nucleotide but amino acid sequence remain same because of degeneracy of genetic code.

When a nucleotide is changed to another nucleotide which leads to change in codon but the changed codon codes for the same amino acid which was coded earlier. Because many codon may codes for the same amino acid and this phenomenon is called degeneracy of genetic code.

Changes in the nucleic acid sequence of an organism's, virus's, or extrachromosomal DNA's genome are referred to as mutations. RNA or DNA make up viral genomes. Mutations result from mistakes made during DNA replication, viral replication, mitosis, meiosis, or any other type of DNA damage (such as pyrimidine dimers from exposure to ultraviolet radiation), which may then undergo error-prone repair (especially microhomology-mediated end joining), cause an error during other types of repair,, or result in a mistake during replication (translation synthesis). Mobile genetic elements can cause mutations by causing the insertion or deletion of DNA sequences.

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