Which Statement About Gene Cascades Is False

question 182

Multiple Choice

Which statement about gene cascades is false?

• A) Alterations in a single gene within a gene cascade can affect an animal's behavior and fitness.
• B) Gene cascades create opportunities for simple genetic changes to alter complex behavior.
• C) Genes within cascades can influence several other genes.
• D) A gene cascade controls sexual differentiation in fruit flies.
• E) The fru gene is not part of the genetic cascade that controls sexual differentiation in fruit flies.

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Definitions:

Social Smiling

The act of smiling in response to interacting with others, typically developing around two months of age in infants as a means of communication.

Nonverbal Encoding

The process of communicating information without the use of spoken words, through gestures, facial expressions, and body language.

Amygdala

A part of the brain involved in processing emotions, fear responses, and emotional memories.

Hippocampus

A region of the brain important for learning and memory formation.