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Theriogenology. 1991 Nov;36(5):789-93. doi: 10.1016/0093-691x(91)90344-d.

Monosomy and trisomy in bovine embryos sired by bulls heterozygous for the 1 29 Robertsonian translocation chromosome.

Theriogenology

T D Wilson

Affiliations

  1. Department of Veterinary Surgery and Reproduction University of Glasgow Veterinary School Bearsden Road, Bearsden, Glasgow G61 1QH United Kingdom.

PMID: 16727047 DOI: 10.1016/0093-691x(91)90344-d

Abstract

Mature cows (n = 37) were superovulated and inseminated with semen from either bulls heterozygous for the 1 29 Robertsonian translocation or bulls with a normal karyotype. A total of 163 embryos was recovered, and preparations suitable for cytogenetic analysis were obtained from 67 (41.1%) of these. The karyotype was unbalanced in three (4.5%) of the embryos sired by semen from a bull carrying the translocation, whereas no karyotypic imbalance was recognized in the control group of embryos. Two of the unbalanced embryos were monosomic, while the third embryo was trisomic.

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