If Cells of an Individual Contain the Same Set of Genes

question 15

Multiple Choice

If cells of an individual contain the same set of genes, how do these cells become different from each other during development?

• A) Different cell type-specific regulatory elements in DNA are created during development.
• B) Different cell type-specific regulatory elements in DNA are selectively lost during development.
• C) Differences in extracellular signals received by each cell lead to differences in the types of regulatory proteins present in each cell.
• D) Differences develop in promoter sequences that lead to different signals being produced by each type of cell.

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Definitions:

Need For Power

An individual's desire to influence, control, or have authority over others.

McClelland

Refers to David McClelland, a psychologist known for his work on motivation theory, which includes the needs for achievement, power, and affiliation.

Need Profiles

Individualized descriptions of the specific needs, desires, and motivations that drive a person's behavior.

Acquired Needs Theory

A theory that suggests individuals develop specific needs over their lifetime through experiences, which include the need for achievement, power, and affiliation.