The 16-Kb Mitochondrial Genome Encodes 13 Proteins

question 9

Multiple Choice

The 16-kb mitochondrial genome encodes 13 proteins. How can there be more than 13 mitochondrially inherited conditions?

• A)Some conditions are due to nuclear genes.
• B)Many of the conditions are due to translation errors.
• C)There are different kinds and numbers of mutations per gene.
• D)Each parent may contribute different mutations.
• E)Exon shuffling allows different polypeptides to form.

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