8 1 Polyploidy in Plants 植物的多倍性 1.The Concept and Types of plant polyploid 169 (1)Plant Ploidy Ploidy Chrom's Genome Haploid n 1x.2x.3x monoploid In X Diploid 2n 2X.4x.6X. Polyploid 3x >3x1.The Concept and Types of Plant Polyploidy p. 169 (1)Plant Ploidy: §1 Polyploidy in Plants 植物的多倍性 Ploidy Chrom’s Genome Haploid 1n 1x, 2x, 3x … monoploid 1n 1x Diploid 2n 2x, 4x, 6x … Polyploid > 3x >3x