Perspective on Chromosome Numbers in the Genus Pistacia L. (Anacardiaceae)
Mohannad G. Al-Saghir
International Journal of Plant Breeding and Genetics,
2010, 4(3), 153-157.
The genus Pistacia L. belongs to the Anacardiaceae family and includes at least eleven species. Cytogenetic studies addressing the genus Pistacia are rather few. Chromosome numbers of the different Pistacia species are questionable due to the fact that poor chromosome counting protocols were used. The aim of this perspective was to provide more insight into understanding the cytogenetic of the genus Pistacia and provide additional information on the different Pistacia species for future cytogenetic research. In conclusion, I posit that all Pistacia species have the same basic chromosome number which is x = 15 based on all previous morphological and molecular studies, which clearly suggest a very close genetic relationship among Pistacia species and the chromosome numbers reported by various cytogenetic studies.
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