Question

Fragile x syndrome (fxs) is delayed development, increased activity, and

Answer 1

Answer:

Explanation:

FXS is an X-linked semi-dominant condition with reduced penetrance. It is caused by an expansion of an unstable CGG trinucleotide repeat in the fragile X gene (FMR-1). In addition to being associated with characteristic physical and behavioural features, causes intellectual disability ranging from mild to severe.