20. Clouded leopards are a medium sized, endangered species of cat, living in the very wet cloud forests of Central America. Assume that the normal spots (XN) are a dominant, sex- linked trait and that dark spots are the recessive counterpart. A male with dark spots and a female with normal spots have four cubs and, conveniently, two are male and two female. One male and one female cub have normal spots and the other two have dark spots. What is the genotype of the mother? Use the Punnett square to support your result.

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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.