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12 Cards in this Set
- Front
- Back
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Darwin & Alfred Wallace
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Evolution, survival of the fittest, passed down traits, nature selects traits
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Gregor Mendel
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traits are passed down, traits dominant and recessive
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Walter Sutton
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Chromosomes are inherited and homologous
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Thomas Hunt Morgan
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Chromosomes carry genes
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George Beadle & Edward Tatum
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Discovered role of genes in regulating events in cell. 1 gene = 1 enzyme (polypeptide) mutations = change in enzyme
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Fred Griffith
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vaccine against strep, DNA is the genetic coded matter
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Barbara McClintock
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Chromosomes change during reproduction, cross over during mieosis, genes can change place on chromosome, role of telomere and centromere
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Oswald T. Avery
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isolated genetic material in vitro. how DNA transforms, supported Griffith, DNA =genetic material
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Hershey and Chase
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DNA not protein, enters host and transmits all. Confirmed Griffith and Avery, genetic material needed for virus reproduction
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Chargaff
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Base content of DNA, 4 different nucleotides 1. Amount G and C varies by species
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Watson, Crick, Wilkins, Franklin
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DNA is a double helix, xray defraction, bases arranged inside helix, deoxyribose = backbone
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Marshall Nirenberg
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mRNA directs protein synthesis and reads nucleotides in 3s (codons)
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