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Definition: The genetic code is the set of rules by which information encoded within genetic material (DNA or mRNA sequences) is translated into proteins by living cells.
Context: Mae'r rhain yn digwydd pan fydd rhyw fath o anomaledd rhywiol, fel canlyniad i aflonyddu ar y cod genetig a/neu'r system hormonaidd sy'n effeithio ar y broses o wahaniaethu rhwng y ddau ryw.
