Asexual reproduction |
Sexual reproduction |
(a) Involves only one parent
(b) Gametes are not produced
(c) No fertilization and zygote formation
(d) Meiosis does not occur at any time during reproduction |
(i) Often involves two parents
(ii) Gametes are produced
(iii)Fertilisation and zygote formation is observed.
(iv) Meiosis occurs at the time of gamete formation |
During sexual reproduction two types of gametes fuse. Although the gametes contain the same number of chromosomes, their DNA is not identical. This situation generates variations among the offsprings.