Multiple choice

Why is the first anatomically modern human female called a mitochondria eve?

  1. Because mitochondrial DNA is inherited without replication.

  2. Because mitochondria is the first formed cell organelle.

  3. Because mitochondria is the energy producing organelle.

  4. Because mitochondria DNA has uracil in place of guanine.

  5. Because mitochondria DNA forms non-coding genes.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Because all mitochondrial DNA (mtDNA) generally (but see paternal mtDNA transmission) is passed from mother to offspring without recombination, all mtDNA in every living person is directly descended from hers by definition, differing only by the mutations that over generations have occurred in the germ cell mtDNA, since the conception of the original mitochondrial eve.

Keep practicing — related questions