Teen who was told he would never sit an exam prepares to start genetics course at UCD

Tristan Lennon who was told it was unlikely he would ever sit a state exam, got offered a place studying genetics in UCD.

A teenager with autism who was told he was unlikely to ever sit a state exam has been offered a college place to study genetics.

He is determined to find out why his parents - who don't have autism - had four children on the spectrum.