Would You Expect the Presence of Spacer DNA to Increase

question 32

Multiple Choice

Would you expect the presence of spacer DNA to increase or decrease the frequency of linkage between genes?

• A) decrease it, because the spacer DNA is removed from the genome before transcription
• B) decrease it, because the spacer DNA increases the probability of crossing-over between genes
• C) increase it, because the spacer DNA is tightly connected to the genes on both sides
• D) increase it, because the spacer DNA encourages the insertion of transposons into the DNA

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