Which statement best explains why the development of a new area of science can lead to changes in a theory? a. a new area of science attracts new scientists who study old theories for flaws. b. a new area of science promotes experimentation from a different point of view. c. a new area of science allows old theories to be reworded using new terminology. d. a new area of science encourages scientists to replace old theories with modern ones.

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.