Which of the following is an event of sexual reproduction?
The process of production of new individual organisms or offspring by their parents is known as reproduction. It is a characteristic of the living organisms. As it is not required for the survival of an organism, it is not considered as a defining feature. It can be of two types: asexual and sexual.
Asexual reproduction does not involve fusion of gametes. It is a uniparental process. The offspring are identical to the parents. For example, budding in yeast, spore formation in Fungi and regeneration of flatworms does not involve formation of gametes and are considered are methods of asexual reproduction.
Sexual reproduction is a process of reproduction which involves the fusion of gametes. The offspring have a different genetic composition in comparison to their parents. It is a biparental process. After fertilization and fusion of gametes, zygote is formed which further divides to form the organism.