Dictionary of Human Evolution and Biology

  • -id > 9:3
   

Edward Syndrome (47, 18)

Major chromosome anomaly and an example of aneuploidy in humans due to trisomy 18. Three copies of all the genes on chromosome 18 cause, due to a dosage effect, mental impairment, extreme abnormalities in all organ systems, and muscle tonus that twists the head oddly. Aka Trisomy 18.

Full-Text Search Entries