Chromosomes

Canalon, we are definitely on the same page with your characterization of a molecule. In this instance I would say that it is the totality of all bonded atoms of the double helix that make DNA a single molecule.

See entire post

... someone else will jump in. Still, I really appreciate you clearing up my confusion over the extent of the DNA double helix as it relates to the chromosomes.

See entire post

... continue as an extended filament, running in and out of one chromosome, then proceeding to the next--eventually threading its way through all 46 chromosomes?

See entire post

... birth to a sterile mule but on rare occasions a fertile mule is born. Polyploid Speciation (immediate) Polyploid speciation is the result of all chromosomes doubling, tripling or more in number. With twice or more of everything the cells are proportionately larger, resulting in a larger plant ...

See entire post

... the process is done, the proteins are released and the cross over DNA is let loose to be a single strand, and then the condensing of the DNA into chromosomes begins. I don't know what proteins are found to help support a fusing of chromosomes, and then to hold them together during metaphase. It ...

See entire post