The human PAH gene encodes the enzyme phenylalanine hydroxylase. Deficiency of this enzyme activity results in the autosomal recessive disorder phenylketonuria. The first 9 amino acids of the wild-type human PAH protein are: MSTAVLENP The sequence below shows the first 9 codons of a mutant allele of the human PAH gene: atg tcc act agc ggt cct gga aaa ccc What type of mutation has occurred in the coding sequence? Group of answer choices silent frameshift nonsense missense

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.