Which condition is also known as Trisomy-18?

Correct option is C

. Ans (c)
Sol. Turner syndrome: This is a genetic condition in females where one of the X chromosomes is missing or partially missing. It is not related to Trisomy-18.
Patau syndrome: This is Trisomy-13, a condition where a person has an extra chromosome 13. It is not associated with Trisomy-18.
Edward syndrome: Edward syndrome, or Trisomy-18, occurs when a person has an extra chromosome 18. It is a severe genetic disorder that often leads to developmental and physical abnormalities.
Down syndrome: This is Trisomy-21, a condition where there is an extra chromosome 21, leading to developmental and intellectual disabilities, not related to Trisomy-18.