Which of the Following Statements About Fruit Fly Development Is

question 2

Multiple Choice

Which of the following statements about fruit fly development is false?

• A)Cascades of gene expression routinely direct fruit fly development.
• B)The location of the head and tail ends of the egg is primarily determined by the location of sperm entry during fertilization.
• C)Homeotic genes regulate batteries of other genes that direct the anatomical identity of body parts.
• D)One of the earliest development events is the determination of the head and tail ends of the egg.

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Definitions:

Phenotypes

The set of observable characteristics or traits of an organism.

Ratio

A mathematical way of comparing two quantities by division, expressing how much of one thing exists relative to another.

Pleiotropic Gene

A single gene that influences multiple phenotypic traits, demonstrating the complexity of gene expression on phenotype.

Multiple Effects

The outcome or consequences that arise from a single cause, which can impact different systems or functions within an organism or environment.