Posts

Showing posts from April, 2022

Reproduction

Reproduction. It is a biological process  in which an organism produces number of individuals or offsprings of similar type. Importance of reproduction. 1 . Continuity of species [means group of  individuals which are similar in morphology (external features) functions, behavior but they can reproduce sucessfully in natural condition. 2.It maintains Chromosome number. 3. It helps in existence of life. 4.It helps in replacement of organisms. Basic feature of reproduction. Before reproduction these features are important . 1. Replication of DNA molecule means forming two or duplicate DNA copies . 2. Formation of RNA molecule,proteins ,cells , cell organelles and other biochemicals. 3.Cell division [Mitosis -asexual /Meiosis sexual.] 4. It helps in formation of separate reproductive units (Male/Female). 5. Formation of offsprings is due to combination of reproductive units. Cell Division . It is the process by which a parent cell divides into two or more daughter cells . On the b...