Gemmule
Conidia
Megaspore
Meiocyte
A meiocyte is a type of cell that differentiates into a gamete through the process of meiosis. Through meiosis, the diploid meiocyte divides into four genetically different haploid gametes. The control of the meiocyte through the meiotic cell cycle varies between different groups of organisms. Cleistogamous/closed flowers ensure cent percent seed setting even in the absence of pollinators. So, the correct answer is 'Meiocyte'