Q. 14.5( 11 Votes )

Enumerate the differences between asexual and sexual reproduction. Describe the types of asexual reproduction exhibited by unicellular organisms.

Answer :



Asexual reproduction is the type of reproduction in which there is only one parent is involved and no fusion of gametes take place. The various kinds of asexual reproduction are as follows:


1. Binary Fission: In this type of asexual reproduction, the parent cell divides its DNA into two, these DNA than incorporates into two identical daughter cells produced from the parent body, example: Amoeba


2. Budding: A small nod or growth on the surface of the parent body derives nutrition from the parent, then detaches and grow into another being. Example: Hydra, Yeast.


3. Fragmentation: In this, the parent body divides into many fragments and every fragment develops into off springs. Example: starfish, sponges etc.


4. Parthenogenesis: The unfertilized eggs develop into an embryo to form an invertebrate like fish, frog and other reptiles.


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