From: invalide@invalid.invalid   
      
   May be of interest to some   
      
   https://phys.org/news/2025-09-molecular-discovery-reveals-chromo   
   omes-generation.html   
      
   When a woman becomes pregnant, the outcome of that   
   pregnancy depends on many things—including a crucial   
   event that happened while she was still growing   
   inside her own mother's womb. It depends on the   
   quality of the egg cells that were already forming   
   inside her fetal ovaries. The DNA-containing   
   chromosomes in those cells must be cut, spliced and   
   sorted perfectly. In males, the same process   
   produces sperm in the testes but occurs only after   
   puberty.   
      
   "If that goes wrong, then you end up with the wrong   
   number of chromosomes in the eggs or sperm," said   
   Neil Hunter, a professor in the Department of   
   Microbiology and Molecular Genetics at the   
   University of California, Davis. "This can result   
   in infertility, miscarriage or the birth of children   
   with genetic diseases."   
      
   In a paper published Sept. 24 in the journal Nature,   
   Hunter's team reports a major new discovery about a   
   process that helps safeguard against these mistakes.   
   He has pieced together the choreography of proteins   
   that connect matching chromosome pairs—ensuring that   
   they are sorted correctly as egg and sperm cells   
   develop and divide.   
   ...   
      
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