Homology within the x chromosomes of boophilus microplus (canestrini) and b. annulatus (say)

  • Gunn S
  • Burbach B
  • Hilburn L
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Abstract

Chromosome banding patterns of the X chromosomes of Boophilus annulatus (Say) and B. microplus (Canestrini) indicate considerable homology between the two species. All bands of the small X chromosome of B. microplus are represented in the large X chromosome of B. annulatus with the exception of one medially located dark band. A large region of material proximal to the centromere and a small segment located at the telomere of the large X chromosome of B. annulatus are not represented in the small X chromosome of B. microplus. Meiotic abnormalities and the potential differentiation/evolution of the two X chromosomes are discussed. The extensive homology between the two species supports the genic data and linkage analyses previously published for these species.

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Authors

  • S. J. Gunn

  • B. S. Burbach

  • L. R. Hilburn

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