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100
PhD scientist hired by Watson and Crick to improve x-ray crystallography
Rosalind Franklin
100
they proposed the double helix model and were awarded the nobel prize with Maurice Wilkins
Watson and Crick
100
he wrote On The Origin Of Species by Means of Natural Selection
Who is Darwin
100
linked Mendel's "physical factor" to chromosomes using flies
Who is Thomas Morgan Hunt
100
studied nuclein and identified the 4 nitrogenous bases, also won the nobel prize
Who is Albrecht Kossel
200
proposed the "biological species concept" and wrote The Evolutionary Synthesis
Ernst Mayer
200
studied animals of Austrian and Asian origin and presented his findings to the Linnean Society of London
Alfred Wallace
200
supported eugenics, used statistics to introduce the concept of inheritance of quantitative traits
R. A. Fisher
200
described distribution and behavior of chromosomes during mitosis
Walther Flemming
200
came up with the theory of inheritance of acquired traits
Lamarck
300
made the connection between meiosis, sexual reproduction, and genetic variation...described crossing over and proved Lamarck wrong
August Weismann
300
said that allele frequency can change if a certain allele just dies due to a disease
William Castle
300
in 1902, he observed that allele frequency doesn't change
Udny Yule
300
offered sympatric speciation in studying how species are formed
G. Ledyard Stebbins, Jr.
300
studied proteins from white blood cells from pus and discovered nuclein
Friedrich Miescher
400
biologist who worked at Morgan's lab and wrote Genetics and the Origin of Species
Dobzhansky
400
proposed "biological species concept" and wrote The Evolutionary Synthesis
Ernst Mayer
400
concluded that DNA is a long chain polynucleotide and proposed the "tetranucleotide" hypothesis
Phoebus Levene
400
a microbiologist who studied pneumococcus S and R strains and coined the "transforming principle"
Frederick Griffith
400
they designed an experiment with the bateriophage virus and centrifugation and won the nobel prize in 1969
Hershey and Chase
500
proved transformation in a test tube without mice
Michael Dawson and Richard Sia
500
studied the chemical composition of pneumococcus at Rockefeller university in attempt to find a cure
Oswald Avery
500
published a paper on Franklin's x-ray data
Maurice Wilkins
500
they used double-radiolabeling techniques to label DNA using 14-N and 15-N
Mehselson and Stahl
500
developed chromatography and the base pairing principle
Chargaff