what does it mean chromosome
A chromosome (chromo- + -some) is a packaged and organized structure containing most of the DNA of a living organism.exually reproducing species have somatic cells (body cells), which are diploid [2n] having two sets of chromosomes (23 pairs in humans with one set of 23 chromosomes from each parent), one set from the mother and one from the father. Gametes, reproductive cells, are haploid [n]: They have one set of chromosomes.