1. Why do you think SNPS are more commonly found in intergenic regions ? a.Because intergenic regions code for proteins that can tolerate mutations much better than regulated genes b.Because intergenic regions are made of sequences of single nucleotides, whereas coding regions are made of sequences of tri-nucleotides called codons c.Because DNA polymerase is more likely to make replication mistakes in intergenic regions than within gene sequences d.Because changes to nucleotides within genes (either in promoters or coding sequence) are more likely to have phenotypic effects, and be selected against through evolution.

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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.