Cell Cycle Proteins/metabolism; Chromatin Assembly and Disassembly; Gene Expression Regulation, Fungal; Nuclear Proteins/metabolism; Nucleosomes/metabolism; Saccharomyces cerevisiae Proteins/metabolism; Saccharomyces cerevisiae/metabolism; Spores, Fungal/metabolism; Transcription, Genetic/genetics; Cell Cycle Proteins/genetics; Cell Division; Cell Nucleus/physiology; Diploidy; Flow Cytometry; Genes, Fungal/genetics; Intracellular Signaling Peptides and Proteins; Meiosis/genetics; Mutation/genetics; Nuclear Proteins/deficiency; Nuclear Proteins/genetics; Nucleosomes/genetics; Oligonucleotide Array Sequence Analysis; Protein Kinases/genetics; Protein Serine-Threonine Kinases; RNA, Messenger/genetics; RNA, Messenger/metabolism; Saccharomyces cerevisiae/cytology; Saccharomyces cerevisiae/genetics; Saccharomyces cerevisiae Proteins/genetics; Spores, Fungal/cytology; Spores, Fungal/genetics; Transcription Factors/genetics