NUCLEIC ACIDS
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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