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Kyle Was Posing for His Girlfriend While She Painted a Picture

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Kyle was posing for his girlfriend while she painted a picture for her art class.She asked him to hold his mouth in a frown because she was trying to depict someone who was sad and dejected.Now that he has finished posing, Kyle finds that he is feeling somewhat unhappy, but he is not really sure why.This type of reaction is consistent with:


Definitions:

Tumor Suppressor Gene

A gene that protects a cell from one step on the path to cancer. When this gene is mutated to cause a loss or reduction in its function, the cell can progress to cancer.

Growth Factor Gene

A gene that codes for a growth factor, which is a naturally occurring substance capable of stimulating cellular growth, proliferation, and cellular differentiation.

Oncogenes

Genes that have the potential to cause cancer by transforming a normal cell into a tumor cell when mutated or expressed at high levels.

Mitosis Stages

The phases of cell division including prophase, metaphase, anaphase, and telophase, through which a single cell divides into two genetically identical daughter cells.

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