XX/XY chimerism in tortoiseshell tomcats – a new case and review of the literature

This study demonstrates that tortoiseshell tomcats with XX/XY chimerism can be fertile. Therefore, cytogenetic and molecular analyses of tri-colored male cats are recommended before making decisions regarding their use in breeding.

Authors

Publication Details

Journal
Sexual Development
Published
2026-03-12
DOI
https://doi.org/10.1159/000551472
Primary Topic
Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
Type
article
Field-Weighted Citation Impact
0.00
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article

XX/XY chimerism in tortoiseshell tomcats – a new case and review of the literature

Izabela Szczerbal, M. Świtoński, Joanna Nowacka-Woszuk
Sexual Development
Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
article

XX/XY chimerism in tortoiseshell tomcats – a new case and review of the literature

Izabela Szczerbal, M. Świtoński, Joanna Nowacka-Woszuk
article en

Abstract

This study demonstrates that tortoiseshell tomcats with XX/XY chimerism can be fertile. Therefore, cytogenetic and molecular analyses of tri-colored male cats are recommended before making decisions regarding their use in breeding.

Sexual Development
Openalex Percentile: Top 24%
Genetic and Clinical Aspects of Sex Determination and Chromosomal Abnormalities
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