The identification of a repeated DNA sequence involved in the karyotype polymorphism of the human Y chromosome
- 1 January 1978
- journal article
- research article
- Published by S. Karger AG in Cytogenetic and Genome Research
- Vol. 21 (1-2), 19-32
- https://doi.org/10.1159/000130875
Abstract
We show that individual men are polymorphic for the amount of two different repeated DNA sequences. The amount of one of these sequences is proportional to the length of the brightly fluorescent heterochromatin on the Y chromosome. There are no detectable alterations in sequence between polymorphic individuals. Female DNA contains sequences complementary to those found on the Y, but at a much reduced level.Keywords
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