Does “same genetic code” mean “same ancestor?” (CT Scan, Episode 76)

Most living things share the same genetic code. Does that mean they also share the same ancestor(s)? Textbooks often say so. However, it’s now clear that the genetic code is not universal, as evolutionists once believed, leading some evolutionists to suggest there is no “tree of life” after all. Let’s see how to view the not-so-universal genetic code through a biblical lens.
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DIGGING DEEPER
🔹 Fabich, A. (2016). Is a Limited Genetic Code Proof That God Is Not Required? https://answersingenesis.org/genetics/dna-structure/limited-genetic-code-proof-god-not-required/
🔹 Mitchell, E. (2014). Stop-or-Go DNA Codes Reveal Rampant Rule-Breaking in the Language of Life. https://answersingenesis.org/genetics/stop-or-go-dna-codes-reveal-rampant-rule-breaking-language-life/
🔹 Parker, G (2006). Comparative Similarities: Homology. https://answersingenesis.org/biology/homology-comparative-similarities/ (Chapter from Creation: Facts of Life: How Real Science Reveals the Hand of God. New Leaf Publishing Group, available to read online for free here:https://answersingenesis.org/answers/books/creation-facts-of-life/)
🔹 Information theory topic: https://answersingenesis.org/genetics/information-theory/
🔹 Origin of life topic: https://answersingenesis.org/origin-of-life/
🔹 Genetics topic: https://answersingenesis.org/genetics/
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CITED REFERENCES
• Reece et al. (2012). Descent with modification: A Darwinian view of life. In G. Bennett, L. Rahn, D. Kamo, E. Bush, & S. Bindernagel (Eds.), Campbell biology (Canadian ed., pp. 484-501). Upper Saddle River, NJ: Pearson Education.
• Ohama, T., Inagaki, Y., Bessho, Y., & Osawa, S. (2008). Evolving genetic code. Proceedings of the Japan Academy, Series B, 84(2), 58-74.
• Venter, C. et al. (2011, February 12). “The Great Debate—What is Life?,” www.thesciencenetwork.org
• Knight, R. D., Freeland, S. J., & Landweber, L. F. (2001). Rewiring the keyboard: evolvability of the genetic code. Nature Reviews Genetics, 2(1), 49-58.
• Freeland, S. J., Knight, R. D., Landweber, L. F., & Hurst, L. D. (2000). Early fixation of an optimal genetic code. Molecular biology and evolution, 17(4), 511-518.
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