One day before ovulation, human oocytes begin to divide into what will become mature eggs. Ideally, eggs are packaged with a complete set of 23 chromosomes, but the process is prone to error, especially with age. In a Review ...
Oct 20, 2016 in Cell & Microbiology
Sometimes nature leaves little clues that can be difficult to interpret, so getting things right isn't always easy.
Oct 20, 2016 in Plants & Animals