Exam: Genetic Disorders in Paediatrics Complete Guide to Aneuploidies Down Syndrome Turner Syndrome Microdeletion and Imprinting Disorders
30:00
18
A child with Fragile X syndrome demonstrates worsening disease severity in successive generations due to repeat expansion. Which genetic mutation type causes this disorder?
A
Point mutation
B
Frameshift mutation
C
Trinucleotide repeat expansion
D
Chromosomal translocation