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he used cross fertilization and self fertilization in pea plants to see how the pea plants traits are inherited through generations.
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Worked with white blood cells from pus that he got from old bandages in a hospital. he used a salt solution and alkaline to the cells and a nuclei came out of it. In his lifetime they didn't find a use for them.
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Used pneumococcus that is a bacteria that lives in hosts in many different tests he found two different colonies of it and one was smooth and one was rough and they had different effects on living things he did his test on a rat to the the effects.
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isolated DNA from differnt organisms and measured the levels of the 4 nitrogen bases
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produced the x-ray crystallography of BDNA. That was also used to determine the structure of double stranded DNA
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Alfred and martha chase did a combined blender experiment that proved phage DNA not protein was the genetic material
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came up with the structure of DNA, the double helix
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known for the term central dogma or the idea that genetic information flow in cells is one-way. from DNA to RNA to protein.
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developed a technique called genechip probe arrays. where you can build sequences you want on a screen with special glass
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developed where cDNAs can be put on glass slides to help with large scale studies
