Generally, a disease like this is caused by an infectious agent and not spread between people. Neurosyphilis -- tabes dorsalis, although infectious, is not a genetic disease. It is not caused by a defective or abnormal gene.
1 Movies and animated cartoons. 2  While some color film processes (including hand coloring) were experimented with and in limited use from the earliest days of the motion picture, the switch from most films being in black-and-white to most being in color was gradual, taking place from the 1930s to the 1960s.
Definition of black and white. black and white. An issue/thought process that divides everything into two opposing categories She saw the world in black and white - people were either good or bad. This is a black and white issue - either you're for it or against it. Last edited on Dec 20 2010. Submitted by Anonymous on Dec 19 2010.