I-1 1-2 П-1 П-2 П-3 П-4 П-5 П-6 П-7 III -1 III-2 Ш-3 Ш-4 Ш-5 Ш-6 Ш-7 Ш-8 A. Based on this pedigree, does this syndrome appear to follow autosomal recessive, autosomal dominant, X-linked recessive, or X-linked dominant inheritance? Explain your reasoning. B. What is the likelihood that II-1, II-2, II-3, II-4, II-5, II-6, and II-7 carry a mutant allele of the gene encoding hexosaminidase B?

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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.