Abstract
In this research the metaphase chromosome number and karyotype of Astragalus stenosemioides species growing naturally in Turkey are studied. The study revealed that the chromosome number of A. stenosemioides is 2n = 16. The basic chromosome number of species is determined as x = 8. The karyotype formula of A. stenosemioides is 8m. The total length of the somatic chromosomes of A. stenosemioides ranges between 1.96 - 3.38 μm. The total haploid chromosome length of A. stenosemioides is determined as 21.36 μm. In addition, the karyotype asymmetry of the species was evaluated by different methods; Stebbins classification, TF%, AsK%, Syi and Rec, A1, A2, DI, A, and AI.
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