Mutations+in+strains+(open)

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You breed two pure strains of a single species of mouse, each containing a different mutation that results in vitamin K deficiency. When you cross a mouse from Strain 1 with a mouse from Strain 2, none of their offspring exhibit vitamin K deficiency. Which of the following statements regarding the mutations within these strains is the MOST accurate?

**D. The mutations are in two different genes, but not necessarily at the same DNA base position. **

 * bold=**correct answer

Question Identifier: GCA 6 (revised TM 157)

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