The following question refers to the graph of mutation-selection balance below. Which of the following statements correctly explains why the curve for selection increases as q increases? 1. Selection is always a strong evolutionary force II. As the frequency of q increases, the frequency of aa homozygote individuals increases III. When the frequency of q is low, most recessive alleles are found in heterozygotes, which do not have the low fitness genotype. Change of q, Aq mutation selection Frequency of a, q

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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.