Andover

A genetics professor's wife dies in a fire at her glass blowing studio, but he finds her brush with a few of her hairs in it. He and his grad student assistant make a clone of her, but there are problems. He keeps trying with slight changes to her environment. He becomes so obsessed with trying to make the perfect match that he doesn't realize that his assistant has fallen in love with him. Also, the life insurance adjuster isn't convinced that she really is dead.