Question: Which of the following is true regarding the differences between the haploid and diploid stages of a flowering plant's life cycle? Need Assignment Help? Multiple Choice In the diploid stage, each cell contains 2 copies of each chromosome; in the haploid stage, each cell contains 1 copy of each chromosome. In flowering plants, the diploid stage is the dominant stage, while the haploid stage is seen only within the plant's reproductive structures. Plants spend longer in the haploid stage of their life cycle than in the diploid stage of their life cycle. All of the answer choices are correct. In the diploid stage, each cell contains 2 copies of each chromosome. In the haploid stage each cell contains 1 copy of each chromosome. In flowering plants, the diploid stage is the dominant stage, while the haploid stage is seen only within the plant's reproductive structures.