Which of the Following Events May Serve as a First

question 18

Multiple Choice

Which of the following events may serve as a first step in cancer development?

• A)Overexpression of angiogenesis-promoting factors
• B)Duplication of an oncogene
• C)Mutation of a tumor-suppressor gene
• D)Both duplication of an oncogene and mutation of a tumor-suppressor gene
• E)None of the answers is correct.

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Definitions:

Monocular Cues

Depth cues, such as interposition and linear perspective, available to either eye alone.

Retinal Images

The visual images formed on the retina of the eye, resulting from light rays reflecting off objects and entering the eye.

Perceived

Interpreted or understood in a particular way by an individual, often based on sensory input and personal experience.

Size Constancy

The perception of an object as having a constant size, despite changes in the distance from which it is viewed.