Bill Graham, the acid-tongued concert promoter who championed rock acts during San Francisco's psychedelic era and went on to play a leading role in pop music's emergence as a cultural force, died late Friday when a helicopter carrying him and two associates crashed into an electrical utility tower near Vallejo.
People born with diphallia rarely have two fully functioning penises, like DDD. Often times, the condition is accompanied by a plethora of other medical problems, along with a higher risk of spina bifida.
Things to remember. 1  Twins account for over 90 per cent of multiple births. 2  To form identical or monozygotic twins, one fertilised egg (ovum) splits and develops into two babies with exactly the same genetic information. 3  To form fraternal or dizygotic twins, two eggs (ova) are fertilised by two sperm and produce two genetically unique children.