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  3. in the 1920s, a dye (now called feulgen stain) was

In the 1920s, a dye (now called Feulgen stain) was developed that bound DNA in...

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Biology

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In the 1920s, a dye (now called Feulgen stain) was developed that bound DNA in direct proportion to the amount of DNA present in cells. Upon binding, the DNA would gain in color intensity. This DNA staining techniqueA) provided circumstantial evidence that DNA is the genetic material.B) definitively proved that DNA is the genetic material.C) demonstrated that all species have the same amount of nuclear DNA.D) confirmed that DNA is an important component of mitochondria and chloroplasts.E) led to skepticism that DNA is the genetic material.

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