All of the following are natural cloning except
a regeneration
B Identical twins
C tumor
D dizygotic twins
Answers
Answer:
Explanation:
Many species can reproduce asexually and hence possess natural methods of cloning
All bacteria, the majority of fungi and many species of protists reproduce asexually to produce genetic clones
While most plants reproduce sexually, they also possess methods of asexual reproduction (vegetative propagation)
Certain animal species can also reproduce asexually, via a variety of different mechanisms
Animal Cloning Methods
Binary Fission
The parent organism divides equally in two, so as to produce two genetically identical daughter organisms
This method of cloning occurs in Planaria (flatworms) but is also common to bacteria and protists (e.g. euglena, amoeba)
Budding
Cells split off the parent organism, generating a smaller daughter organism which eventually separates from the parent
This method of cloning occurs in Hydra but is also common to many species of yeast
Fragmentation
New organisms grow from a separated fragment of the parent organism
This method of cloning is common to starfish and certain species of annelid worms
Parthenogenesis
Embryos are formed from unfertilised ova (via the production of a diploid egg cells by the female)
This method of cloning occurs in certain species of insect, fish, amphibians and reptiles