Asexual Reproduction

Asexual Reproduction is a kind of reproduction where offspring arise from a single parent. In simple it can be defined as it is a replica of itself. This does not involve any kind of gametes fusion and there won’t be any change in the number of chromosomes either. It will inherit the same genes as its parent except for some cases where there is a chance of rare mutation to occur.

Types of Asexual Reproduction

Types of Asexual ReproductionDifferent types of asexual reproduction are stated below:

  • Binary Fission.
  • Budding.
  • Fragmentation.

Binary Fission: It is one of the simplest and uncomplicated methods of asexual reproduction. The nucleus of a parent cell which is unicellular divides into two which intern followed by a division of a cytoplasm leading to two equal-sized daughter cells. The process repeats itself that is daughter cells grow and further divides. Examples include bacteria, amoeba, euglena etc.

Budding: Buds are the outgrowths that of the reproductive units. It is a group of small cells surrounded by the epithelium. They are usually formed on the parental body.

Fragmentation: In several kinds of organism, it breaks into several parts where each part of an organism grows into a new one.

Asexual Reproduction of Plants

Method of asexual reproduction is stated below:

  • Vegetative Propagation.
  • Regeneration.
  • Budding.
  • Fragmentation.

Vegetative Propagation: It is one of the most general techniques of asexual reproduction. There will be the new formation of plants from the vegetative parts of the plants and they include roots, leaves, and stems. There is a different method of vegetative propagation namely underground stem propagation, stem propagation, underground stem tuber propagation, root propagation and leaf propagation. There is artificial vegetative propagation also and some of them include layering, tissue culture, cutting, and grafting.

Regeneration: It helps plants in regaining their lost parts but note it cannot develop a new individual. One of the best examples would be grass.

Budding: It is a process of transferring a bud from one plant to another that belongs to the same species.

Fragmentation: involves the production of new rooted shoots by rhizomes were clonal colonies are formed by trees and shrubs.

Advantages of Asexual Reproduction

  • Mates not required.
  • No need to carry an offspring for a long period of time.
  • An enormous number of organisms can be produced.

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Practise This Question

What happens to the pollen grain after it is transferred from the stamen to stigma?