Freezing DNA samples
Handling a DNA sample
Handling DNA samples
Pipetting DNA samples
Laboratory testing
Biological research
Phenotypic screening laboratory robot
Phenotypic screening research
Pharmaceutical research
Spectroscopy analysis
Medical research
Biotechnology research
Genetic testing
DNA analysis
Close up of scientist holding a phial containing a DNA sample
Freezing blood samples
Chemical research
DNA research
Scientist pipetting sample into eppendorf vial during experiment in laboratory
Row of eppendorf vial awaiting sample for testing in laboratory, scientist out of focus in background
Genetic research
James Watson, US molecular biologist
Medical testing, conceptual image
Genetic research, conceptual image
DNA genotyping and sequencing
Joint Genome Institute research
Pipetting sample
Scientist using microscope
Scientist preparing microscope slide
Scientist taking notes
Scientist examining sample
Scientist pouring sample
Scientist in laboratory
Bull gene mapping
Plant genetics research
Cell picking from a petri dish
Prehistoric specimens being prepared for DNA test
Prehistoric specimen being prepared for DNA test
DNA test in anthropology laboratory
Phoebus Levene, American biochemist
Alfred Hershey, US geneticist
Biotechnology
Cancer research
Pharmaceutical research, conceptual image
Leroy Hood, US biologist
Genetic medicine, conceptual image
Soya bean genetic analysis
Laboratory experiment
Automated DNA sequencing
Marshall Nirenberg, US biochemist
Oswald Avery, US molecular biologist
Hershey and McClintock, US geneticists
Genetic research, DNA chromatography
Genetic analysis
Drug manufacturing
Sewall Wright, US geneticist
Raymond Pearl, US biologist
Protein analysis and sample preparation
Transgenic rice research
Genetic research, Western blot test
Biomedical analysis