Nonrandom X Chromosome Inactivation

**Semantic type:** Laboratory or Test Result

**Definition:** An indication that greater than 75% of cells in a sample demonstrate preferential inactivation of the same X chromosome.

**Synonyms:** - Non-Random X Chromosome Inactivation - Non-Random X Inactivation - Non-Random X-Inactivation - Nonrandom X Inactivation - Nonrandom X-Chromosome Inactivation - Nonrandom X-Inactivation - Skewed X Chromosome Inactivation - Skewed X Inactivation - Skewed X-Inactivation - X Chromosome Skewing