We might have heard people saying, “It is in your genes?”, “like mother, like daughter”. Many physical traits like skin colour, curly or straight hair etc... are inherited from our parents or grandparents. We also inherit talent in special fields such as art, music, etc from then. How are these characters inherited? This is through the agents of inheritance called DNA.
Nucleic acids were first discovered by Friedrich Miescher in 1869 and were named as nuclein as they were found in the nuclei of leukocytes (pus cells) from discarded surgical bandages. The functions of nucleic acids were left undiscovered until early 1900.
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