yeast artificial chromosome

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Fragment of DNA from the human genome inserted into a yeast cell. The yeast replicates the fragment along with its own DNA. In this way the fragments are copied to be preserved in a gene library. YACs are characteristically between 250,000 and 1 million base pairs in length. A cosmid works in the same way.

The emblem recalls the flag of Turkey, a long-standing ally. The points of the star represent the eight Turkic tribes of Azerbaijan. Effective date: 5 February 1991. >>