30. Assume that successful reproduction in a rare salamander species, wherein all individuals are females, relies on those females having access to sperm from males of another species but that the resulting embryos show no signs of a genetic contribution from the sperm. In this case, the sperm appear to be used only for which of the following? (A) Egg activation (B) Creation of a diploid cell. (C) Epigenesis. (D) Cell differentiation.