-They are short rod-like bodies or thread
-They are found in the nucleus
-They occur in identical or homologous pairs
-They are either sex or somatic chromosomes
-There are 23 pairs in man (46 in number)
-It is said to be diploid when it is 46 in number and represented with 2n
-In sex gametes, it is haploid and represented with 2n
-Each chromosome is made up of two chromatids (which are formed by DNA)