Pak. J. Bot., 36(2): 343-349, 2004. | Back to Contents | ||||
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Updated: 09-07-09 | ||||
KARYOTYPING, C- AND NOR BANDING OF ALLIUM SATIVUM L. (LILIACEAE) CULTIVATED IN TURKEY DENİZ YÜZBAŞIOĞLU AND FATMA ÜNAL
Abstract: The
cytological features including chromosome number, karyotypic characteristics,
C-banding and silver NOR-banding were investigated in a local cultivar of Allium
sativum L., from Turkey. Actual lengths, relative lengths, L/S arm ratios
of mitotic chromosomes were calculated from best six metaphase plates. Only Chromosome
5 was submedian, all the others were median. C-banding was observed on 4 chromosomes.
Bands were centromeric on Chromosome 1 and 4, located to the neighbourhood of
the secondary constrictions on Chromosome 5 and were interstitial close to centromere
on Chromosome 8. Darkly stained silver nitrate bandings were present in the NORs
of Chromosome 5 and 7, on Chromosome 1 and 8 in some cells. Gazi Üniversitesi, Biyoloji Bölümü, Fen-Edebiyat Fakültesi, Teknikokullar, 06500 Ankara-Turkey. |
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