Transposon Tagging (Molecular Biology) Transposons are mobile genetic elements that move (transpose) from one region of the genome to another. Transposons are used as tools for gene cloning because insertion of a transposon into a gene disrupts its function, often producing a visible mutant phenotype.
Former Fox News host Megyn Kelly was fired from NBC before even starting on air there. RATING. ORIGIN. In early March 2017, a round of hoax stories had many readers wondering whether Megyn Kelly, the former Fox News host, had left the cable news channel for NBC News only to be quickly fired before even making it to the air.
Today's Tamron Hall Leaving NBC News. The Megyn Kelly shake-up at NBC has seemingly claimed another casualty: Tamron Hall is leaving NBC News. Just in: @TamronHall is leaving NBC News. Hall has appeared on NBCâs morning-show staple since 2014, and anchored Todayâs third hour along with Al Roker. But the network brought over Megyn Kelly from Fox News last month, and reports surfaced last week that Kelly would be given an hour of airtime on Today, taking Hall and Rokerâs slot.