Haploid breeding is a method of doubling the spontaneous or artifical haploid with colchicum, and selecting the super doubled lines. 單倍體育種是利用自然發(fā)生或人工培育的單倍體,經(jīng)染色體加倍獲得純合二倍體,再從中選育自交系的方法。
Either of the two daughter strands of a duplicated chromosome that are joined by a single centromere and separate during cell division to become individual chromosomes. 染色單體染色體復制產(chǎn)生的兩個(gè)單體中的一個(gè),由細胞分裂過(guò)程中染色體在一個(gè)著(zhù)絲點(diǎn)上分裂形成單個(gè)染色體。