Which life cycle describes a plant that reproduces asexually and sexually? A. egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with half the chromosomes B. egg + sperm → zygote → adult with all its chromosomes → spores → adult; spores produce an adult with half its chromosomes C. egg + sperm → embryo → adult with all its chromosomes → gametes → adult; gametes produce an organism with all its chromosomes D. egg + sperm → zygote → adult with all its chromosomes → spores → adult; spores produce an adult with all its chromosomes