 We stop we come to this chapter Now we'll see few important topics and questions that can be asked in your exam from all the chapters We have remaining 45 minutes. We'll just see all the topics Okay, we'll discuss one by one if you have any doubts in that chapter. You can ask me I'll be telling you some important questions and topics In first chapter heresy and variation We'll see few questions. So here In first chapter so important Versions and topics Okay, from the chapter heresy and evolution be thorough with these definitions of gene Chromosome phenotype Genotype, okay be thorough with these definitions. Okay second thing Monohybrid cross and I have it cross. So punnett square punnett square both mono and dihybrid cross number three Mendelian traits Those seven traits are seven characters taken by Mendel in P plan Next here one more thing, aleel also The laws of Mendel, law of dominance, law of independent assortment Okay those laws, Mendelian first law, second law and third five is These are the important concepts in heredity and next in variations are Evolution and this also how to differentiate male and female that is six differentiation xx xy gender discrimination or sex differentiation and in evolution concept of speciation about different theories how natural selection happened organic evolution and in organic evolution All those morphological evidences morphological evidences embryological evidences molecular evidences paleontology All these concepts are very important in morphological evidences you can see homologous Analogous organs and next human evolution all those different stages of evolution from Triopathic is still a modern man what all difference what all different stages were they like Triopathic astralopithecus homo habilis homo erectus homo sapiens Homo neanderthensis and again at last modern man Till there you need to know what are the differences seen in one species to other species? Okay, I mean paleontological study here. You need to know about that carbon dating technology Carbon dating the absolute and relative dating absolute dating and radio dating How the fossils were Is where of how they are used to find the ease of fossils using that absolute dating and radio dating is very important So these are few topics which are very important in heresy and evolution Okay Next chapter next is reproductive system in reproductive system action by order production a sexual and sexuality production in a sexuality production fragmentation Which did you propagation? budding etc reproductive system in male reproductive system you need all that is formation structure of sperm labelings To remember Okay