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A low-level X chromosome mosaicism in mares, detected by chromosome painting

100%

Wieczorek M., Switonski M., Yang F.

issue 2

205-209

Fluorescence in situ hybridization with the use of the equine X whole chromosome painting probe was carried out on chromosome spreads originating from three mares with poor reproductive performance (infertility, miscarriage or stillbirth). The numbers of analysed spreads were high (105, 300 and 480) and in all three mares a low frequency of mosaicism was identified. The mares had the following karyotypes: 64,XX/63,X/65,XXX (93.6%/5.7%/0.7%), 64,XX/63,X (98.9%/1.1%) and 64,XX/63,X (94.3%/5.7%). The incidence and importance of the low percentage X chromosome mosaicism are discussed.

Robertsonian translocation (8;14) in an infertile bitch (Canis familiaris)

88%

Switonski M., Szczerbal I., Skorczyk A., Yang F., Antosik P.

Journal of Applied Genetics

2003

vol. 44

issue 4

525-527

A new case of a Robertsonian translocation diagnosed in an infertile bitch of West Highland White Terrier breed is reported. Cytogenetic analyses were performed with the use of Giemsa staining, Q-, C- and Ag-I banding techniques and FISH with canine whole X chromosome paint. The karyotype of this bitch was described as 77,XX der (8;14)(q10;q10).

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2 Journal of Applied Genetics

1 2003

1 2001

2 Switonski M.

2 Yang F.

1 Antosik P.

1 Skorczyk A.

1 Szczerbal I.

1 Wieczorek M.

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A low-level X chromosome mosaicism in mares, detected by chromosome painting

Robertsonian translocation (8;14) in an infertile bitch (Canis familiaris)