In contrast, in eukaryotes, all of the cell's chromosomes are stored inside a structure called the nucleus ... be differentiated from one another under a microscope by their lengths and by ...

The very nature of these experiments meant that it was rare for all chromosomes in a given nucleus to ... are placed on a microscope slide and then literally squashed under a cover slip to produce ...

The chromosomes are loosely packed and not visible with a microscope. Two pair of centrioles lie just outside the nucleus, next to each other. A centriole is a cylindrical structure within the ...