Item RH055001: In sexually reproducing organisms such as humans, half of a child's DNA comes from each of the parents.

In sexually reproducing organisms, such as humans, which of the following statements is TRUE about the DNA that is passed from parents to children?

  1. All of the DNA comes from one of the parents.
  2. Half of the DNA comes from each of the parents.
  3. Some of the DNA comes from each of the parents, but the amount that comes from each parent cannot be predicted.
  4. Sons receive most of their DNA from their fathers, and daughters receive most of their DNA from their mothers.