What Is a Major Advantage of Using a Modifier Screen

question 2

Multiple Choice

What is a major advantage of using a modifier screen as opposed to a primary screen?

• A)Modifier screens can be used to identify pleiotropic genes.
• B)Modifier screens are easier to perform.
• C)Modifier screens use a random selection of flies based on their morphology and therefore should identify all genes involved in development.
• D)Modifier screens are performed with chemically mutagenized flies so all genes that affect development should be identified more rapidly than screening for spontaneous mutants.

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