A serious genetic disorder results in dwarfism of the condors. Although this might not have catastrophic consequences in a captive setting, dwarf condors would be unlikely to survive when competing with their gigantic relatives in a natural setting. Two such sets of reciprocal crosses were made, both involving purebred parents in the P generation. The results of these crosses are presented below: (NOTE: Both crosses involve birds having dwarfism resulting from the same mutation in the same gene.)  a)

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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.