Also proteins can bind to DNA and methylated DNA to modify the course of gene expression in daughter cells. Such chemical modifications to the DNA which modify gene transcription are examples of epigenetic changes in the DNA.
Thomas Jefferson was President when his Vice-President, Aaron Burr, shot Alexander Hamilton in a duel on July 11, 1804, in Weehawken, New Jersey. Hamilton didn't die during thâ¦e duel, but succumbed to his injuries the next day.
In the controversial 1800 presidential election, an Electoral College tie vote occurred between Thomas Jefferson and his running mate Aaron Burr. The tie-breaking vote made Jefferson president, with Burr declared vice president, as the Constitution required at the time.