Chromosomes of Libellago lineata lineata (Chlorocyphidae: Odonata) Walia Gurinder Kaur*, Katnoria Neha, Gill Jaspreet Kaur Department of Zoology and Environmental Sciences, Punjabi University, Patiala, 147002 *Corresponding author Email: gurinderkaur_walia@yahoo.co.in
Online published on 23 October, 2018. Abstract Linear characterization and course of meiosis in the zygopteran Libellago lineata lineata of (Chlorocyphidae) are described by conventional staining, C-banding, silver nitrate staining and sequence specific staining. There are two complements n=12 and n=13, without m chromosomes. Increase in chromosome number is due to the fragmentation of medium sized autosome pair. Dark terminal C-bands are present on 9 autosomal bivalents, while remaining 3 bivalents and X chromosome show less amount of C-heterochromatin; 10 autosomal bivalents show terminal NOR-bands; while X chromosome is NOR-negative. All the autosomes and X chromosome possess less intense DAPI and bright CMA3 signals, which indicate complement is rich in GC rich regions than AT rich regions. Top Keywords Libellago lineata lineata, chromosomes, number, linear characterization, C-banding, silver nitrate staining, sequence specific staining, NOR, cytogenetics. Top |