An XXY sex chromosome constitution in a house musk shrew (Suncus murinus L.) with testicular hypoplasia

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Authors:
M. B. Rogatcheva
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S-I. Oda
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A. I. Zhelezova
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P. M. Borodin
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An adult male house musk shrew with an XXY sex chromosome constitution was found in a laboratory-bred colony. Maternal origin of the additional X chromosome was demonstrated. The external appearance of the animal was normal, but the testes were small and displayed a high density of interstitial cells. The seminiferous tubules were narrow and contained only Sertoli cells.

 

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