Disease caused by tobacco smoke 

The prolonged  period in between one  mitotic phase and the next is called 

Growth of organs and of an organism is by 

Spindle fibres disappear during 

Wound healing takes place by 

Karyokinesis is the division of

Spindle fibres pull the chromosomes apart to the opposite sides of the cell during

How many substages are there in prophase -I ?

Cells in a  rapidly growing tissue will spend less of their time in

When chromosome number exceeds  the 2n  state, the condition is called  polyploidy.  This condition is seen in