Branching of the Drosophila Tracheal System Involves Three Genes,Branchless,Breathless,and Sprouty,and

question 7

Multiple Choice

Branching of the Drosophila tracheal system involves three genes,Branchless,Breathless,and Sprouty,and orthologs of these genes play similar roles in vertebrate lung development.What would be the expected outcome if Sprouty is inactivated during Drosophila development?

• A) The tracheal system fails to form.
• B) Extra branching of the tracheal system occurs.
• C) Less branching of the tracheal system occurs.
• D) The tracheal system is converted into a nervous system.
• E) The tracheal system is converted into muscle.

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Definitions:

Initial Feasible Solution

The starting point of an algorithm that represents a possible solution to a problem, which meets all the constraints of the problem.

Routes

Paths or courses designated for transportation from one location to another.

Optimal Solution

A solution that represents the best possible outcome, often in terms of efficiency or cost, within a given set of constraints.

Route Combinations

Various possible paths or methods that can be taken to achieve a particular production process or delivery.