Unit - II: Chromosomes and effect of environment (15 Hrs.)
Linkage maps, inheritance of cocoon colour, environmental influence and hormonal control
Inheritance of voltinism, moultinism, environment influence and hormonal control
Sex determination, sex linked, sex limited traits and their special significance in sericulture
Chromosome number and nature of chromosomes, parthenogenesis,
gynogenesisandrogenesis, polyploidy and population genetics