Sex determination, as a model for the developmental process in mammals, is undoubtedly the principal reason for the intense activity of research on the Y chromosome. As the smallest human chromosome it also offers a simple system for studying those aspects of the human genome that are less well understood than genes and the control of their expression. These include functional regions, such as the kinetochores and telomeres involved in chromosome segregation and integrity. The regions associated with these functions contain the simple-sequence DNAs discovered more than 25 years ago but whose roles are still not understood. The association of simplesequence DNA with the more broadly defined heterochromatic regions of the genome is nowhere better seen than in the long arm of the Y chromosome. The four papers that follow describe studies of sequences in the Y chromosome in the region of the telomere of the short arm, in the...
Structural features of the Y chromosome
E. Southern; Structural features of the Y chromosome. Development 1 March 1987; 101 (Supplement): 75. doi: https://doi.org/10.1242/dev.101.Supplement.75
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