Questions: The germinal stage lasts for the first two months after conception.

The answer is the second one: The germinal stage lasts for the first two months after conception.

Explanation for each option:

1. "The sperm and the egg create a fertilized egg in this stage." - This is true. The germinal stage begins with the fertilization of the egg by the sperm, forming a zygote.
2. "The germinal stage lasts for the first two months after conception." - This is not true. The germinal stage actually lasts for the first two weeks after conception, not two months.
3. "In the germinal stage, the zygote is formed." - This is true. The zygote is formed immediately after fertilization during the germinal stage.
4. "The germinal stage lasts for the first two weeks after conception." - This is true. The germinal stage covers the period from fertilization to implantation, which is approximately the first two weeks.
5. "The end of this stage occurs when the zygote attaches to the uterine wall." - This is true. The germinal stage ends when the zygote successfully implants into the uterine wall.

Summary: The statement that is not true about the germinal stage is that it lasts for the first two months after conception. The germinal stage actually lasts for the first two weeks after conception.