An XO/XX mosaic sheep with associated gonadal dysgenesis.
A female sheep with an apparent XO/XX karyotype was discovered while screening barren ewes. The animal exhibited a normal phenotype. This is the first reported case of mosaicism associated with gonadal dysgenesis in the sheep.
D000818:Animals; D005260:Female; D006059:Gonadal Dysgenesis / Q000175:diagnosis / Q000662:veterinary*; D007247:Infertility, Female / Q000175:diagnosis / Q000662:veterinary*; D007621:Karyotyping / Q000662:veterinary; D009030:Mosaicism; D010053:Ovary / Q000473:pathology; D012728:Sex Chromatin / Q000032:analysis; D012756:Sheep; D012757:Sheep Diseases / Q000175:diagnosis* / Q000235:genetics; D013577:Syndrome / Q000662:veterinary