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Construct a CER conclusion to address the following question: How will a change in a
nitrogenous base (ie. A.T. C,G) in a DNA sequence affect the formation of the translated
protein?
Provide 3 pieces of evidence from the data section to support your claim. Provide
scientific reasoning to justify why your evidence supports your claim. USE THE FOLLOWING
VOCABULARY IN THE REASONING: GENE, PROTEIN, TRAIT, TRANSCRIPTION, TRANSLATION



Answer :

GinnyAnswer

Final answer:

Changing a nitrogenous base in a DNA sequence can significantly impact translated protein formation by altering the amino acid sequence.


Explanation:

Changing a nitrogenous base in a DNA sequence affects the formation of the translated protein because it alters the mRNA codon sequence, ultimately leading to different amino acids being incorporated into the protein during translation.

Evidence:

  1. A single nucleotide change in the DNA sequence can result in a different mRNA codon being transcribed.
  2. This altered mRNA codon will then lead to the incorporation of a different amino acid during the translation process.
  3. Due to the genetic code's specificity, even a small change can drastically impact the final protein's structure and function.

Scientific Reasoning: The genetic code dictates the relationship between mRNA codons and the corresponding amino acids in a protein. Any deviation in the DNA sequence results in a new mRNA codon, leading to the insertion of a different amino acid during translation. Since proteins' functions depend on their specific amino acid sequence, even minor changes can significantly affect protein function.


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