Summary
A case of Down syndrome with 45 chromosomes was presented. Karyotype of the propositus was determined as 45, XY, −13, −14, −21, +t(13q14q), +t(21q21q). This is the fifth report of Down syndrome with 45 chromosomes. SOD-1 activity was as 1.5 times high as controls.
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Hata, A., Suzuki, Y. & Kuroki, Y. Down syndrome with 45 chromosomes. Jap J Human Genet 28, 209–213 (1983). https://doi.org/10.1007/BF01876601
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DOI: https://doi.org/10.1007/BF01876601