Genetic Sexual Attraction is the name given to the powerful sense of bonding that previously estranged siblings sometimes experience alhough even experts admit that it is rare.
 Colin Adam, defending, said it should investigate whether he was suffering from 
genetic sexual attraction.
I've written a book about my experience, called The Forbidden Love, 
Genetic Sexual Attraction. People wondered why I wanted anybody to know about all those horrible feelings, but I've always wanted to be accepted for who I am.
Coleen says 
Genetic sexual attraction can occur when blood relatives meet for the first time as adults.
But the subjects of this controversial documentary insist they have done nothing wrong - they've simply fallen victim to a phenomenon know as 
genetic sexual attraction (GSA).
Leanne defends their relationship, claiming she is a victim of 
Genetic Sexual Attraction, GSA.
They believe they are a classic case of 
genetic sexual attraction, which is growing to be more widely recognised in family members reunited as adults.
Such reunions can spark off intense sexual feelings and this is called 
genetic sexual attraction (GSA).
Ian Sievwright, defending Heaney, submitted an article by a psychologist about "
genetic sexual attraction".
Doctors recognise a syndrome called 
Genetic Sexual Attraction, which occurs when close relatives fall for each other after meeting as adults.
Experts say 
genetic sexual attraction can occur between close relatives who are separated at an early age and meet as adults.