Asexual reproduction is a mode of reproduction that results in the production of genetically identical offspring from a single parent. These genetically identical individuals are known as clones.
Let's review the options:
Somaclones: These are genetically identical individuals produced through plant tissue culture. While they are clones, "clones" is the more general term for any genetically identical progeny from asexual reproduction.
Hybrids: Hybrids are the offspring resulting from the cross-breeding of two genetically distinct parents, typically through sexual reproduction. They are not genetically identical to the parents or to each other and exhibit genetic diversity.
Clones: This term directly defines genetically identical offspring produced from a single parent via asexual reproduction.
Gametophytes: Gametophytes are haploid reproductive cells (like egg and sperm) formed through meiosis, which are involved in sexual reproduction. They are not asexually reproduced progeny.
Therefore, the most accurate and general term is "clones."
Final Answer: \(\boxed{C}\)