ASEXUAL REPRODUCTION

 ASEXUAL REPRODUCTION 

Asexual reproduction is mode of reproduction in which new individuals produces from single parents .

or, The mode of reproduction in new organisms produces without fusion of male gamete and female gamete .

The term 'Apomixix ' is also used for Asexual Reproduction  .

CHARACTERISTICS OF ASEXUAL REPRODUCTION 

I. it involves only a single parent.

ii. Gametes are not formed ,hence no fertilization occurs .

iii. the cell division may be mitotic or amitotic .

iv. The individuals formed are genetically identical to the parent, i.e ., they are clones .

v. The term clone is given to such morphologically and Genetically similar  individuals.

vi. Multiplication occurs rapidly.

OCCURANCE 

Asexual reproduction occurs  commonly in : 

-single celled organisms like monerans (bacteria) and Protists like Amoeba & paramecium 

- some plants like algae and  animals like hydra and Sponges with relatively simple  organisation .

- Member of kingdom fungi like yeast and Penicillium.

- A number of higher plants in the form of vegetative reproduction. 

Asexual reproduction is absent in higher invertebrate and all vertebrate