Osteogenesis imperfecta () is a genetic disorder linked to mutations in the genes that encode the components of type collagen. The disorder is primarily characterized by individuals having bones that fracture easily. However, it also includes other features, such as blue seleraa condition in which the whites of the eye (the selera) are blue, and early-onset hearing . These characteristics of indicate that the genes involved exhibit A. Crossing Over B. Phenotypic Plasticity C. Discrete expression D. Quantitive Traits

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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.