試題詳解

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.