Why Might the Analysis of Endosymbiotic Bacterial Genomes Be Misleading

question 8

Multiple Choice

Why might the analysis of endosymbiotic bacterial genomes be misleading for understanding the minimal gene set?

• A) They are bacteria and therefore have nothing in common with LUCA.
• B) They may have gained genes to be able to live within another organism.
• C) They may have lost genes that would have been essential to early life-forms due to their reduced metabolic requirements.
• D) Their genes can be disrupted by transposons.

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