The sex chromosome of human female is expressed as _______________.

Name the two kinds of  cell division found in living organism?

____________ is a reduction division.

Cell division is necessary for ______________.

The stage of mitotic cell division in which the spindle fibres attach themselves to the centromere of the chromosomes is   in ________________.

Cells go through a  kind of life cycle called  the ____________

In ______________ phase,  the cell is carrying process for mitosis to begin.

The place on the chromosomes where spindle fibres are attached during cell division is _______________.