In a test cross, the dominant-expressing organism is crossed with an organism that is homozygous recessive for the same characteristic. If the dominant-expressing organism is a homozygote, then all F1 offspring will be heterozygotes expressing the dominant trait.
Supernatural or mystical happenings or acts which do not form part of a recognized religion. Witchcraft, divination, magic, Satanism are all considered to be part of the occult. 2. The occult is the realm of magic and the supernatural, or any knowledge or practices involved in this.
occult fracture. a fracture that cannot be detected by radiographic standard examination until several weeks after injury. The break is most likely to occur in the ribs, tibia, metatarsals, hip, or navicular. It is accompanied by the usual signs of pain and trauma and may produce soft tissue edema. Magnetic resonance imaging or a bone scan may be used to confirm a suspected occult fracture.