Number of chromatids per chromosome at metaphase is

The number of chromatids in a chromosome at anaphase is

The number of DNA molecules and chromatids in a chromosome at metaphase stage is respectively ?

The separation of two chromatids of each chromosome at early anaphase is initiated by

Sister chromatids of a chromosome have :

A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-