Case Reports
doi: 10.1007/BF00273081.
Unequal mitotic sister chromatid exchange and different length of Y chromosomes
- PMID: 3859466
- DOI: 10.1007/BF00273081
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Case Reports
Unequal mitotic sister chromatid exchange and different length of Y chromosomes
Hum Genet.
1985.
Abstract
There is wide variation in the length of the Y chromosome. In the same individual the length varies continuously and is normally distributed. We describe a boy with borderline mental retardation, gross and fine motor coordination difficulty, muscle rigidity, ptosis, clinodactyly, and a Y chromosome of different lengths in two separate cell populations. The most probable explanation of the cytogenetic finding is a mitotic unequal sister chromatid exchange of the Y chromosome.
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