This post has not been vetted or endorsed by BuzzFeed's editorial staff. BuzzFeed Community is a place where anyone can create a post or quiz. Try making your own!

    Sperm Donor Passed On Deadly Genetic Defect

    In a case that highlights the importance of thorough sperm donor screening, it has been revealed that a donor from the early 1990’s passed on a genetic heart defect to nine of his 24 children.