A constriction on the chromosome is

The centromere or primary constriction of the chromosome contains rings of protein that are intimately associated with a spindle fibre. These rings are called :

Name the following Primary constriction on each chromosome.

Secondary constriction in chromosome is referred to as

Secondary constriction in chromosome is referred to as

Secondary constriction in chromosome is referred to as

Secondary constriction in chromosome is referred to as

Another name for secondary constriction of a chromosome.

Short, constricted region in the chromosome is