female parthenogenesis in which the embryo contains only maternal chromosomes due to the failure of the sperm to fuse with the egg nucleus
例句
用作名词(n.)
No paternal inheritance has been found in this study.From the facts aforesai d,the biological effects of heterologous sperm in gynogenesis were discussed.在此基础上，本文对异源精子在雌核发育中所起的生物学作用进行了初步探讨。
