OMIA:002982-9940 : Aneuploidy, trisomy, sex chromosome XXY in Ovis aries (sheep)

In other species: Agile wallaby , dog , domestic cat , domestic horse , pig , taurine cattle

Categories: Reproductive system phene , Chromosomal phene

Links to relevant human diseases in MONDO:

Single-gene trait/disorder: no

Disease-related: unknown

Key variant known: no

Cross-species summary: This phene includes information about differences of sexual development (DSD) in animals due to XXY trisomy of sex chromosomes. This phenotype is called  Klinefelter syndrome in humans.

Contact us

If you notice anything missing or in need of change, please contact us at: [email protected].

Cite this entry

Nicholas, F. W., Tammen, I., & Sydney Informatics Hub. (2025). OMIA:002982-9940: Online Mendelian Inheritance in Animals (OMIA) [dataset]. https://omia.org/. https://doi.org/10.25910/2AMR-PV70

Reference

1969 Bruere, A.N., Marshall, R.B., Ward, D.P. :
Testicular hypoplasia and XXY sex chromosome complement in two rams: the ovine counterpart of Klinefelter's syndrome in man. J Reprod Fertil 19:103-8, 1969. Pubmed reference: 5815811. DOI: 10.1530/jrf.0.0190103.

Edit History


  • Created by Imke Tammen2 on 11 Sep 2025