MDCAT Biology MCQ #1169

Which vector is commonly used to clone large DNA fragments?

MDCAT Biology MCQ #1169

  1. Question 1

    Q1. Which vector is commonly used to clone large DNA fragments?

    • A) Plasmid
    • B) Bacteriophage
    • C) Cosmid
    • D) YAC (Yeast Artificial Chromosome)

    Answer: YAC (Yeast Artificial Chromosome)

    Explanation: YACs can hold very large DNA inserts; cosmids hold up to 40 kb, plasmids and bacteriophages hold smaller fragments.