DNA is the Hereditary Material

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Presentation transcript:

DNA is the Hereditary Material Beyond Mendel DNA is the Hereditary Material

Material of Heredity DeoxyriboNucleic Acid – DNA Is the chemical instructions for coding BBC - DNA Material of Heredity

1869 discovered nuclein by extracting white blood cells on bandages Two portions – one acidic (nucleic acid) and one alkaline (protein) Later to be revealed that nucleic acid was two nucleic acids – RNA and DNA Friedrich Miescher

1943 – demonstrated that the nucleus was region where hereditary material of cell would be found Joachim Hammerling

Go Team Canada! Of Mice and Pneumonia Oswald Avery and Colin MacLeod along with Maclyn McCarty built upon work of Frederick Griffith to come to the conclusion that DNA was indeed the molecular material of heredity Go Team Canada!

Hershey and Chase End the Debate Used radioisotopes to tag a bacteriophage to see what it actually did when it came in contact with cells. Proteins tagged with 35S and DNA tagged with 32P Hershey and Chase End the Debate

Race to Reveal the Structure Rosalind Franklin – xray diffraction Maurice Wilkins – xray diffraction James Watson Francis Crick James Watson on Ted Talks Nobel Prize - DNA Molecular Structure of the Double Helix Race to Reveal the Structure

Base Structure of DNA

Kiwi DNA Extraction Demo Genegeek Kiwi DNA Extraction Kiwi DNA Extraction Demo