Sexual reproduction 。Plasmogamy Haploid donor cell nucleus (+ penetrates cytoplasm of recipient cell (- 。Karyogamy and -nuclei fuse ·Meiosis Diploid nucleus produces haploid nuclei (sexual spores)• Plasmogamy Haploid donor cell nucleus (+) penetrates cytoplasm of recipient cell (–) • Karyogamy + and – nuclei fuse • Meiosis Diploid nucleus produces haploid nuclei (sexual spores) Sexual reproduction