All the centromeres of chromosomes were C-bands positive and so was the short arm of the 1st chromosome with tinctorial strength same as its centromeric C-bands;

• 所有染色体着丝粒为阳性C带,而且第1对染色体短臂也呈C带阳性,其着色强度与该对染色体上的着丝粒C带相同;