Which of the following is TRUE about sexual reproduction? The mother’s DNA is carried in specialized cells, but the father’s is not.
The offspring are identical copies of the parent.
It is not essential that the egg cell be fertilized.
The offspring receive half their DNA from the mother and half from the father.

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.