The present work was carried out to study the chromosomal morphology and behavior of Allium cepa L. Chromosomes. Metaphase-I of Meiosis was selected for karyotyping. It is concluded that the total length of haploid genome was 35.5 RLM.The absolute length ranges from 78-148 RLM excluding the satellite chromosome. The satellite chromosome was numbered 8, having relative length of 165 RLM and arm ratio ranging from 1.08-1.83. The arm ratio shows that the chromosomal complement consists of 4-metacentric and 3-submetacentric chromosomes.

Autorentext

Shumila Qureshi obtained her Master Degree in Genetics in May 2010 from Hazara University Mansehra. She joined Department of Genetics of the same University as an internee. Currently she is working on a project of Cytogentics of Endangered Species of Himalaya.