Christmas is coming and even the African clawed frog (Xenopus laevis) cells are in the Christmas spirit. In fact their cells contain a structure that looks like Christmas trees. But what is this particular structure? They are rRNA transcription units in chromatin spreads. And what does this mean? Keep reading to understand it! In this article we will explain the genetic and transcription bases of this structure. DNA and RNA Christmas tree structure  Conclusion References DNA and RNA All living organisms are built from deoxyribonucleotide acid (DNA). In animals, most…