TRANSLOCATION By N., Pam M.S. - April 29, 2013 noun. the destruction of a large portion of DNA from one chromosome and its subsequent attachment to another chromosome. It is a form of chromosomal mutation. TRANSLOCATION: "The genes appear to have been affected by translocation." Related Psychology Terms GENETIC DISORDER GENETIC DEFECT DOWN SYNDROME DELETION OBLIGATE CARRIER GROUP G MONOSOMY CEBOCEPHALY Y CHROMOSOME XXYY SYNDROME KINDRED Cite this page: N., Pam M.S., "TRANSLOCATION," in PsychologyDictionary.org, April 29, 2013, https://psychologydictionary.org/translocation/ (accessed May 7, 2021).