Cytogenetic analysis of Astylus antis using mitotic and meiotic cells was performed to characterize the haploid and diploid numbers. sex determination system. chromosome morphology. constitutive heterochromatin distribution pattern and chromosomes carrying nucleolus organizer regions (NORs). https://www.spidertattooz.com/OPI-GelColor-The-Color-That-Keeps-On-Giving-0-5-oz-HPJ07-p22791/