The structure of DNA and genetics PART 1

Enjoy -- this clip is from BBC AS Guru -- now no longer in existence. Genetics & DNA Oh do write a comment,please and vote :) ************DISCLAIMER***************** This movie is uploaded (like all others -- unless specified) for the sole purpose of education and not for profits. It is designed to help mostly A-level students in their biological science studies. No copyright infringement intended. *****************************

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