Multiple ChoiceWhich of the following is most widely considered to have been the first genetic material on Earth?44views
Multiple ChoiceWhich of the following statements about Bill Nye's contributions to the field of genetics is correct?42views
Multiple ChoiceIn the history of genetics, the first strands of DNA were directly observed using which type of microscope?
Multiple ChoiceIn the context of the RNA world hypothesis about the origin of life, which molecule is proposed to have evolved first as both a carrier of genetic information and a catalyst?
Multiple ChoiceWhich British scientist helped solve the structure of DNA by producing key X-ray diffraction images?
Multiple ChoiceIn the history of genetics, who is most widely credited with first identifying DNA as a distinct chemical substance (then called “nuclein”) in 1869?
Multiple ChoiceIn the history of genetics, who is credited (along with a collaborator) with creating the first accurate double-helix model of DNA in 1953?
Multiple ChoiceIn the history of genetics, who developed the Punnett square to predict the outcome of genetic crosses?