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.
A woman may carry twins conceived in-vitro with donor eggs, which could come from two different women. If they are fertilized by sperm from the same man, the twins would be half-siblings. Donor eggs from two different women could be fertilized by sperm from two different men.