Nondisjunction is rare. Which of the following is FALSE? O A. Nondisjunction is when chromosomes separate properly in meiosis. O B. Nondisjunction is when homologous or daughter chromosomes stick together and move to the same pole. O. Nondisjunction results in some eggs or sperm with too many chromosomes and some with too few chromosomes. O D. In humans, eggs and sperm made from nondisjunction can have 22 or 24 chromosomes, instead of the normal 23.

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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.