Photosynthetic Eukaryotes Have Genes for RRNA in Their Nuclei, Mitochondria

question 69

Multiple Choice

Photosynthetic eukaryotes have genes for rRNA in their nuclei, mitochondria, and chloroplasts.Based on what you know about the origins of mitochondria and chloroplasts, which of the statements below would best describe the evolutionary relationship between the rRNA genes found in these three organelles?

• A) Nuclear and mitochondrial rRNA are derived from close relatives; however, both are distant from chloroplast rRNA.
• B) Mitochondrial and chloroplast rRNA are derived from close relatives; however, both are distant from nuclear rRNA.
• C) Nuclear and chloroplast rRNA are derived from close relatives; however, both are distant from mitochondrial rRNA.
• D) Mitochondrial, chloroplast, and nuclear rRNA are all derived from distant relatives.
• E) There is no reason to assume that any of the three rRNA genes are similar to closely or distantly related relatives.

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