Sex identification in the Egyptian Vulture by flow cytometry and cytogenetics

Delia Cavallo, Raffaele De Vita, Patrizia Eleuteri, Robert H. R. Belterman, Giacomo DelL'Omo

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Abstract

The genome size and sex of the Egyptian Vulture (Neophron percnopterus), a sexually monomorphic bird, were identified from blood samples by the use of flow cytometry (FCM). This technique allowed evaluation of the slightly higher amount of DNA content in the homogametic male compared to that of the heterogametic female. A karyotypic analysis also was performed in order to confirm the FCM results. Sex identification by both FCM and cytogenetic analyses was concordant in all cases. The average DNA content was estimated to be 5.6% higher in males than in females.
Original languageEnglish
Pages (from-to)829 - 832
Number of pages4
JournalCondor
Volume99
Issue number3
DOIs
Publication statusPublished - 1997
Externally publishedYes

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All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Animal Science and Zoology

Cite this

Cavallo, D., De Vita, R., Eleuteri, P., Belterman, R. H. R., & DelL'Omo, G. (1997). Sex identification in the Egyptian Vulture by flow cytometry and cytogenetics. Condor, 99(3), 829 - 832. https://doi.org/10.2307/1370498