Mitochondrial DNA is useful in tracing human ancestry because it is
Answer and explanation
Correct answer: C. passed on only by the mother and changes slowly
- Step 1: Because it comes from the mother alone, mitochondrial DNA reveals maternal lineages.
Answer
passed on only by the mother and changes slowly.
Why not the others: inherited in equal amounts from both parents: mitochondria come from the egg cell. identical in all people who are unrelated to each other: differences accumulate over time. located in the nucleus of every body cell: mitochondrial DNA is in the mitochondria.
Practise more Human evolution.
Free questions with an explanation for every one, and full timed South Africa Matric mock tests.
More Human evolution questions
- Who discovered the Taung Child, the first Australopithecus africanus fossil, in 1924?
- Which skull feature suggests that a hominid walked upright (bipedalism)?
- The 'Out of Africa' hypothesis states that
- Mrs Ples, an Australopithecus africanus skull, was found at
- Which advantage is linked to bipedalism in early hominids?
- Homo habilis is associated with