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What are some examples of chromosomal disorders?


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Solution

Chromosomal disorders:

  1. Chromosomal disorders are caused by the absence, excess, or abnormal arrangement of 1 or more chromosomes.
  2. They can be studied by the analysis of karyotypes.
  3. Karyotypes are organized profiles of a person's chromosomes according to shape, size, and number.

Examples of chromosomal disorders:

  1. Down's syndrome - It occurs due to the presence of an additional copy of chromosome 21.
  2. Turner's syndrome - It occurs due to the absence of one of the X chromosomes.
  3. Kleinfelter's syndrome - It occurs due to the presence of an additional copy of the X chromosome resulting in either XXY or XXX.

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