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.
One source of the misinterpretation of the story is that Jekyll himself refers to Hyde as a separate person, an other, one who has desires and cares completely separate from Jekyllâs.