People with one copy of an abnormal gene for a recessive trait (and who thus do not have the disorder) are called carriers. With codominant traits, both copies of a gene are expressed to some extent. An example of a codominant trait is blood type.
books.google.com-Robert Louis Stevenson originally wrote 'Dr. Jekyll And Mr Hyde' as a 'chilling shocker.' He then burned the draft and, upon his wife's advice, rewrote it as the darkly complex tale it is today.
Jacob Marley is a fictional character who appears in Charles Dickens' 1843 novella A Christmas Carol. He is Scrooge's deceased business partner, now a chained and tormented ghost, damned to wander the earth forevermore as punishment for his greedy, selfish and uncaring attitude towards mankind.