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Master's Theses

Loyola University Chicago

Down Syndrome

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Organization And Composition Of The Α21-Ii Region Of Human Chromosome 21, William Ziccardi Jan 2012

Organization And Composition Of The Α21-Ii Region Of Human Chromosome 21, William Ziccardi

Master's Theses

The purpose of this project was to develop a better map of the alpha 21-II region of human chromosome 21 in regards to size and primary sequence of the five alphoid clusters that comprise the region and to explore the evolutionary relationships that exist within and between these clusters. Several HC21 BACs were identified as containing strong sequence identities to alpha 21-II clones and were mapped to various alpha 21-II clusters. It was revealed that both monomeric and HOR alphoid clusters can be found in the alpha 21-II region. Phylogenetic analysis revealed separate evolutionary histories for the monomeric and HOR …