Blood type A and B are codominant and completely dominant to blood type O. A person with blood type AB has a child with a person with blood type O. What percent of their children are likely to express blood type O.?

If a grape were placed in a hypertonic solution what would happen and why?

Which one of the following is true of trnas? a) trnas are double-stranded. b) each trna binds a particular amino acid. c) there are four types of trna. d) trnas carry special sequences known as codons. e) all of the above

Which best describes the chemical reaction taking place?