MDCAT Biology MCQ #1206

Why are yeast artificial chromosomes (YACs) used?

MDCAT Biology MCQ #1206

  1. Question 1

    Q1. Why are yeast artificial chromosomes (YACs) used?

    • A) To clone small DNA fragments
    • B) To express proteins in bacteria
    • C) To clone very large DNA fragments
    • D) To sequence genomes

    Answer: To clone very large DNA fragments

    Explanation: YACs are used to clone very large DNA fragments; They can hold inserts of up to 2 Mb.