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Case Reports
. 1985;70(2):186-8.
doi: 10.1007/BF00273081.

Unequal mitotic sister chromatid exchange and different length of Y chromosomes

J Wahlström, M Kyllerman, A Hansson, J Taranger
Case Reports

Unequal mitotic sister chromatid exchange and different length of Y chromosomes

J Wahlström et al. 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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References

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