A Mutagenesis Screen Uncovers Two Discrete Mutations, Each for a Single

question 71

Multiple Choice

A mutagenesis screen uncovers two discrete mutations, each for a single gene of a given operon that contains the genes that control a biosynthetic pathway.Which phenomenon would likely be observed in an organism that carries both of these mutations?

• A) Partial linkage
• B) Complete linkage
• C) Epistasis
• D) Recessive lethality
• E) Complete dominance/recessiveness

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