Yeast artificial chromosome (YAC)

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Human Genome

Extremely large segments of DNA from another species spliced into DNA of yeast. YACs are used to clone up to one million bases of foreign DNA into a host cell, where the DNA is propagated along with the yeast cell's other chromosomes. See also chromosome, cloning

National Human Genome Research Institute — Talking Glossary of Genetic Terms

Constructed from yeast DNA, it is a vector used to clone large DNA fragments. See also: cloning vector, cosmid

Human Genome Project — Human Genome Project