Haploid organisms have one genome, diploid organisms have two homologous sets, polyploid organisms have many sets sometimes form the same ancestor (autopolyploids) and sometimes from different ancestor (allopolyploids).
Haploid organisms have one genome, diploid organisms have two homologous sets, polyploid organisms have many sets sometimes form the same ancestor (autopolyploids) and sometimes from different ancestor (allopolyploids).
单倍体生物有一个基因组；二倍体生物有两个同源的基因组；多倍体生物有多个基因组，它们可能源于同一祖先（同源多倍体），也可源自不同的祖先（异源多倍体）。