Use the following information to answer the next question. Triple X Syndrome Although females with this condition may be taller than average, they usually have no unusual physical features. Most females have normal sexual development and are able to conceive children. This condition occurs in about 1 in 1000 newborn girls in North America. The presence of the extra X chromosome in the somatic cells of a woman with Triple X Syndrome results from Select one: nondisjunction an error in cytokinesis crossing over in meiosis

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A: Crossing over occurs during prophase 1 of meiosis 1.

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Q: 3 4. 11 12 13 14 15 18 19 21 22 Y 2. 20

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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.