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  • Humans
  • Failure to exchange DNA properly can lead to offspring with the wrong number of chromosomes and, in humans, defects in this process are a leading cause of infertility, Dr. Yanowitz noted. (upmc.com)
  • Since this would be an absolutely massive molecule, it is organized into smaller parcels, called chromosomes: there are 23 in humans. (sciforums.com)
  • human
  • They were able to make such an earth-shattering discovery because of a super-precise imaging technique called 3D-CLEM, which combines light and electron microscopy with computer modeling to create detailed 3D images of all 46 human chromosomes. (curiosity.com)
  • As most people understand, once the full chromosome cell is formed, it divides and divides millions of times until in the end another human being announces its way into our world. (educate-yourself.org)
  • Animation of human chromosomes. (sciencephoto.com)
  • cell division
  • The researchers aren't sure what this sheath-like structure does, but they think it might keep chromosomes separated during cell division. (curiosity.com)
  • Either way, this forces scientists to change the way they think about everything from the structure of chromosomes to the process of cell division. (curiosity.com)