div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Maternal Thp lethality in the mouse is a nuclear not cytoplasmic defect src=https:reader031fdocumentsinreader031viewer20220209225750686d1a28ab0f07b01e88html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1984pdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Maternal Thp lethality in the mouse is a nuclear not cytoplasmic defect src=https:reader031fdocumentsinreader031viewer20220209225750686d1a28ab0f07b01e88html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divp© Nature Publishing Group1984pdiv