High-Resolution GTG-Banded Chromosomes of Cattle, Sheep, and Goat: A Comparative Study
- 1 September 1994
- journal article
- research article
- Published by Oxford University Press (OUP) in Journal of Heredity
- Vol. 85 (5) , 395-400
- https://doi.org/10.1093/oxfordjournals.jhered.a111485
Abstract
We compared in detail the GTG-banding patterns of the chromosomes of cattle, sheep, and goat. Minor differences were revealed between the patterns of cattle on the one hand, and sheep/goat chromosomes on the other. These differences concerned mainly the pericentromeric regions of autosomes. Based on comparative data, we suggest how the contemporary cattle X chromosome might have arisen from the ancestral goat type as a result of rearrangements. No differences were found between the G-banded chromosomes of goat and sheep. Also, ideograms of the prometaphase GTG-banded chromosomes of cattle are given with descriptions of the chromosomes thought previously to be difficult to identify.Keywords
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