chromatid,equatorial

section of chromosome in an extended form chromatid "beads-on-a
chromatin 一,染色质( 5 ) dna nucleosome chromatid ×7 ×6
umd.ppt
可产生染色体畸变(chromosome aberration)及染色单体畸变(chromatid
姐妹染色单体分化染色法(sister chromatid differentiation,scd)是20