“…Such pairing was detected shortly after by Johannes Rückert, who studied oogenesis in copepods -during the first meiotic division, the chromosomes of Cyclops appeared in pairs, the number of which was half the diploid number 14 . Subsequently, in 1895, John E. S. Moore observed an entangled mass of thread chromosomes, which sometimes appeared polarized towards one side of the nucleus during the prophase of meiosis I in sharks and rays.…”