Fragile-X syndrome leads to one of the following conditions:

Correct option is A

Fragile-X syndrome (FXS) is a genetic disorder caused by a mutation in the FMR1 gene located on the X chromosome. It is the most common inherited cause of intellectual disability (previously referred to as mental retardation) and a major genetic contributor to developmental disorders.

Information Booster:
-Inheritance Pattern: X-linked dominant disorder, affecting males more than females.
-Cognitive Impairments: Individuals experience intellectual disability, learning difficulties, and delayed speech development.
-Physical Features: May include long face, large ears, flat feet, and hyperflexible joints.
-Emotional and Behavioral Issues: Anxiety, hyperactivity, social avoidance, and autistic-like behaviors.
-Association with Autism: Around 30-50% of individuals with Fragile-X also meet the criteria for autism spectrum disorder (ASD).