The type of reproduction in which only single parent is involved is called _________ reproduction.

Asexual reproduction:

1. Asexual reproduction is a type of reproduction in which only a single parent is involved.
2. It is a reproduction which does not involve meiosis or fertilization.
3. Organisms such as hydra and amoeba reproduce via asexual reproduction.

Final answer: The type of reproduction in which only single parent is involved is called asexual reproduction.