how do organism reproduce, sexual reproduction, class 10, chapter 8
Sexual Reproduction : The mode of reproduction that takes place with the involvement of two individuals of two different sexes i.e. male and female. During sexual reproduction, male organism having male sex organs produces male gametes i.e. sperms which are small and motile and the female organism having female sex organs produces ova which are generally large and store food. Male and female gametes fuse to form a zygote that grows into a new organism. Significance of Sexual Reproduction : · Since gametes are derived from two different organisms, it results in a new combination of genes which increases the chances of genetic variations. · Sexual reproduction involves division in the sex organs that reduces the DNA matter to half so that the zygote formed after fusion has the same amount of DNA as the parents it maintains DNA in a species. Limitation of Sexual Reprodu...