In this lecture I had Discussed about the process of Endomitosis. Types of Gaint Chromosomes and their discovery , structure and significance. This video series we will learn Many aspects of Chromosomes and heredity link for this complete video series is • Chromosome and Heredity You can ask your doubts in comment box. In this Video Series I had Discussed Chromosomes Types of Chromosomes–Autosomes and Sex chromosomes Chromosome structure - Heterochromatin, Euchromatin Classification based on the position of centromere Endomitosis, Giant chromosomes- Polytene and Lamp brush chromosomes and Significance of Balbiani rings Sex- determination Chromosomal Mechanisms: XX-XO, XX-XY, ZZ-ZW Sex determination in Honey bees- Haplodiploidy Sex determination in Drosophila-Genic balance theory, Intersex, Gynandromorphs Parthenogenesis Hormonal influence on sex determination-Freemartin and Sex reversal. Role of environmental factors- Bonelia and Crocodile Barr bodies and Lyon hypothesis Sex linked, sex influenced and sex-limited inheritance. X-Linked: Colour-blindness, Haemophilia Y-linked: Hypertrichosis Sex-influenced genes Sex-limited genes Also I had added Assignments to the video description box to assure learning of my viewers in some videos