having a single set of chromosomes (= structures containing chemical patterns that control what a plant or animal is like) that comes from one parent only单倍体(只含有一个决定动植物性状的染色体组,从父母中的一方获得)
a haploid cell单倍体细胞
Sex cells such as eggs and sperm are haploid.生殖细胞,比如精子或卵子,都是单倍体。