Choose all the answers that apply. recessive genes are represented by a lower case letter always masked by dominant genes only expressed in the absence of a dominant gene mutated genes usually harmful traits

Causes of film fogging are a. secondary or scattered radiation exposure and outdated film. b. exposure of film to light during processing and solution splashed on the film before processing. c. movement of the patient and weak developing solution. d. incorrect placement of film and processing that's too long.