n.粗线期(指细胞减数分裂前期的第三期,其间配对的染色体变粗并分裂成染色单体)
The EB ( Essential Balm ) method was adopted to study, the G - bands and macrocoilson the maize pachytene chromosome.
用风油精活体诱导玉米花粉母细胞粗线期染色体G带和螺旋的结果表明.