Definition: Given a scientific passage and an answer, generate a question for the given answer.
Input: Passage: The ostrich egg - unfertilized, of course. Yes, this egg, just like a human ovum, is just one cell. It is a gamete with a haploid number of chromosomes, formed through meiosis. The egg shell membrane encloses the nucleus containing the genetic material and the cytoplasm. Answer: cytoplasm
Output:
The egg shell membrane encloses the nucleus containing the genetic material and what?