Spontaneous Occurrence of Chromosome Abnormality in Cats
- 25 August 1961
- journal article
- research article
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 134 (3478), 554-555
- https://doi.org/10.1126/science.134.3478.554
Abstract
A syndrome in male cats analogous to chromatin-positive Klinefelter's syndrome in human males has been demonstrated. The physical characteristics which suggested an abnormality of chromosome number in cats were "calico" or "tortoise-shell" coat colors in a male. Buccal mucosal smears were found to have "female-type" patterns in two out of 12 such male cats screened, and these two were found to have a diploid chromosome number of 39 rather than the normal 38. Testicular biopsy performed on one revealed an abnormal pattern; no gonadal tissue was found in the other cat with an abnormal chromosome number. These findings indicate that the cat, in addition to the mouse, is available for experimental study of chromosome number abnormalities.Keywords
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