Which of the Following Statements Best Describes the Addition Rule

Multiple Choice

Which of the following statements best describes the addition rule of probability?

A) It is the probability that two or more independent events will occur simultaneously.
B) It is the probability that either one of two independent events will occur.
C) It is the probability of producing two or more heterozygous offspring.
D) It is the probability that a trait requires two or more generations to be seen.