Generally  chromosomes are ____________.

A DNA molecule is a large macromolecule consisting  of millions of nucleotides. Hence called as ___________.

A prokaryotic  cell has  only one chromosome which is ___________ in shape.

When the  centromere is  centrally located it is called ______________.

__________is  purine nitrogen base.

Eukaryotic chromosome can be studied during  the __________.

In a  DNA helix, complimentary pairing is always between

__________is a picture of  a person's chromosome.

Centromere present at the extreme end,  it is called ______________.

__________ are the hereditary material of a cell.