Write a scientific explanationof how the same process in all cells allows for different traits to be expressed in different cells. Include in your answer a rebuttal for when this could be untrue in cells.
Answers
Explanation:
Prokaryotic cells have entirely different structures for organizing their DNA (the prokaryotic chromosome equivalent is called a genophore and is localized within the nucleoid region). ... The structure of chromatin networks is currently poorly understood and remains an active area of research in molecular biology.
Cellular differentiation is the process through which the same genetic information results in the expression of distinct features in different cells. Epigenetic changes, which change how genes are expressed without changing the underlying DNA sequence, allow for this process.
The addition or deletion of chemical groups from the DNA molecule as well as changes to the proteins that encase the DNA are examples of epigenetic alterations. Genes can be turned on or off by these alterations, so affecting whether they are available or unavailable for transcription into RNA and subsequent translation into proteins. Epigenetic alteration patterns are established throughout development and are maintained for the duration of the organism's life. They are impacted by a number of things, such as signals from nearby cells and cues from the environment.
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